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Measuring My Cum - 5
by Palacechief (no address provided)

***

A doctor has a mother masturbate her son so she can 
measure his semen volume due to a medical condition. 
(F/M-teen, inc, mast, exh)

***

Author's Note: I cannot confirm whether this story is 
purely a work of fiction or has elements of truth. I 
will leave it to your imagination.

***

Part 5

I felt something slap against my butt cheek, and then 
again a couple of times. It felt like a hand. I woke 
up with a jerk. I had drifted off to sleep, only for 
a few minutes it seemed, as I lay naked on my bed 
whilst mom had finished her shower. Now she stood 
over me next to the bed. She had a bath towel wrapped 
around her, and had been slapping my naked butt with 
her hand to wake me up.

"This will never do young man," she said sternly. 
"It's almost 10.30. Why haven't you put any clothes 
on?" I had drifted off to sleep on my side, so mom 
must have had a good view of my ass and back whilst 
she slapped me. As I turned on my back, to now face 
her, I saw her looking at my balls and dick again, 
which, for now, was still limp. She licked her lips 
again. As before, I was sure she was not aware she 
was doing this and it was almost an involuntary 
action.

"Oh, sorry mom," I said, apologetically. "Must have 
drifted off to sleep. I felt a bit sleepy after 
cumming twice in the bathroom, and lay on the bed for 
a few minutes to recover, that's all."

"Oh," replied mom more calmly, apparently pacified at 
my explanation.

"Well, I hope you remember what I said in there. We 
have some serious talking to do later. I'll probably 
think things over whilst I'm out. Make yourself 
breakfast after you put your clothes on. I'll be 
going straight out when dressed."

As she spoke about dressing, I had a sudden idea. 

"Mom, I'm not really in the mood to go out today, 
now. I think I'll just stay at home all day. I was 
wondering... err... well... as I'm going to have to 
dress and undress a few times later when we have our, 
...you know... sessions... it would just be easier if 
I... err... I mean... if I just wore say, my boxer 
shorts, and that dressing gown I got a couple of 
years back. You know... the one I've hardly worn. 
Maybe I could wear it around the house with just my 
boxers on underneath to save bother. After all, you 
have seen enough of my body by now."

Mom looked at me in silence for a moment, as if she 
was considering what I had just said. After a pause, 
she said, "Well, I guess it doesn't matter if you do, 
and it would save us some time. As long as we've got 
no guests coming over, I'm ok for you to dress like 
that. But only whilst we are having to do our 
sessions mind, and back to normal after this is 
hopefully all over," she said in a firm tone. "And, I 
guess it will save a bit on the laundry," she added, 
in a more relaxed way, and as if she was giving 
herself another reason to agree to my request.

With that she started walking out of my bedroom, 
still with the bath towel wrapped around her.

I lay back on the bed for a moment again. I didn't 
know where I'd got that idea all of a sudden, and the 
courage to say it! It just seemed to happen!

I was referring to a 'house-gown' I had bought a 
couple of years back -- one of those impulse buys. It 
was like a dressing gown, but made of fine, smooth 
fabric, which I couldn't remember the name of, dark 
blue in colour with an embroidered design over the 
back. It was really designed for the 'man' who liked 
to lounge around at home without much on underneath 
after a shower or bath. Looking back, I don't know 
why I'd really bought it, except it looked nice in 
the shop. Mom had refused to let me wear it around 
the house when she was around, being the prude she 
was (or I had thought she was), so it had ended up 
folded up and unused, in my cupboard.

But now, it seemed appropriate enough to wear it, and 
the circumstances were right! Mom had agreed, and 
that was great. I got up, slipped on a pair of loose 
fitting, comfy boxer shorts, and rummaged around in 
my clothes cupboard until I found the gown. 

I put it on and looked at myself in the long mirror 
in the corner of my room. The gown still fitted me 
well, going down to just above my knees, and was very 
comfortable, with a tie-belt around the middle. The 
fabric was not quite silk or satin, but still smooth 
and luxurious feeling. The dark blue colour was quite 
alluring and stylish! I almost looked like some rich 
guy lounging around at home! I smiled at my 
reflection in the mirror and posed a bit, and then 
decided to go down to get some breakfast. 

Mom came into the kitchen not long after. She was 
fully dressed with some make up on, looking ready to 
go out. She was wearing a beige coloured, fine 
corduroy skirt, and light brown, lamb's wool, v-
necked sweater, which was quite clingy and showed off 
the size of her large boobs well. 

Although the sweater was a v-neck, it sat quite close 
to her neckline, so only a little part of bare skin 
under her neckline showed. I could make out the top 
of a fine gold necklace around her neck, which she 
sometimes wore when going out. She looked quite nice 
and 'lady like', and it excited me to see her like 
that, knowing that I had seen her completely naked 
not long before.

She looked at me up and down in my house gown for a 
moment, but didn't say anything, and then put some 
money on the kitchen worktop.

"I have to do some shopping," she said, pouring 
herself a short coffee. "I had something to eat 
earlier, so I'm off now. Here's some money for lunch. 
Order yourself a pizza or something," she continued. 
"And see if you can tidy up a bit whilst you're at 
home, instead of being lazy. Bye." And with that, she 
took a final sip from her coffee cup, turned and 
went.

"Bye, mom," I said, as she walked down the hall.

I heard her slam the front door shut and the car 
starting. 

As I sat at the kitchen table, I thought back to what 
mom had said in our session in the bathroom. It had 
been a real turn on for me, seeing her completely 
nude for the first time. And she had let me play with 
her wonderful butt for a few moments! Fuck! But she 
had also sussed out my desires towards her body. I 
felt a little like I had been caught thinking 
something I shouldn't have. 

But I just couldn't help my sexual urges! I was a red 
bloodied male at 18 and seeing her nude body was just 
a complete turn on for me! The fact that it was my 
mom... well that just seemed to make it a little more 
exciting for some reason. Maybe it was the closeness 
and trust of the relationship.

I wondered what she would do now, and if she would 
become more strict. But she had also said something 
about increasing the frequency of our sessions to see 
just how much I could cum. It was confusing, and felt 
a slight headache come on as I thought about it. I 
decided it wasn't worth getting a headache over. 
There was no point, and I guess I'd find out soon 
anyway what she was going to do about our sessions 
when she got back home.

The ache in my balls had eased a bit as I'd cum twice 
that morning, but I knew it would start up again in 
an hour or two and I'd be ready to cum with mom, 
hopefully, still helping. My dick stirred a bit at 
the thought.

The next few hours seem to fly by. I did a bit of 
tidying up in the kitchen and living room as mom had 
asked, as I thought it best to get her in a good mood 
for when she came back. Then I ordered a nice large 
pizza and a bottle of coke, all to myself. 

After eating, I watched TV. A couple of friends 
phoned whilst I was watching, and we chatted about 
this and that. They had no idea what was happening 
between me and mom at home, and it was going to stay 
that way.

At around 3pm, I heard mom's car pull into the 
driveway. I didn't fancy going out in my gown to help 
her with the bags (and she probably wouldn't want the 
neighbours to see me like that), so I just opened the 
front door and picked them up to take into the 
kitchen, as she placed them inside our porch. They 
looked mostly like groceries, but there were a few 
other nicer looking bags, which I didn't see into, 
which looked like mom had gone downtown to the main 
shopping mall to buy something.

Mom came in and closed the door. She had a serious 
look on her, but looked pleased when she saw I had 
tidied the place up a bit.

"You've done some housework I see, Jacob," she said, 
looking at me up and down in my gown like she had 
done earlier in the morning.

"Yea, mom, it's the least I can do right now, as 
you've been... err... helping me... you know."

Mom looked away from me and got on with sorting out 
the groceries and her other bags. "I'm going to make 
myself something to eat," she said, all serious 
again. "Do you want anything?" 

"No," I replied. "I ordered pizza while you were 
out."

"Well, go and do something for a while and I'll give 
you a call when I'm ready for our little chat I 
mentioned we'd have."

"Ok, mom," I said a little nervously, and went off to 
my room.

I decided to read a book to take my mind off things. 
After about an hour, I heard mom call me.

I went downstairs and found she was at the kitchen 
table.

"Sit down," she said.

I pulled up a chair next to her at the table and sat 
down. My eyes wandered to her boobs momentarily as 
they stuck out of her tight fitting sweater, and then 
back to her face. I think she noticed.

"Jacob, I had a good think whilst I was out today," 
she started. "Although I had initially agreed to give 
you some stimulation to help you to cum for medical 
reasons, it seems that seeing my body has raised some 
sexual urges in you." 

She paused for a moment.

"Now, thinking it over," she continued, "I realise 
it's only natural for you to react like that, seeing 
a woman's body in real life for the first time, even 
if it's the body of your mother. If we hadn't had to 
go through this routine as Dr. Taylor had suggested, 
I'm sure you would not have developed such urges 
towards me, as I am your mother."

I nodded in agreement, going along with what she had 
said. It sounded good so far, and better than I'd 
expected. And I wasn't stupid enough to say I had 
lusted after her body for some years. Not at this 
point, anyway.

"So," she continued, "I've decided that I am prepared 
to continue giving you the stimulation you need."

"Thanks, mom," I said, smiling at her, and feeling 
slightly relieved.

"However," she continued, "From our session this 
morning, I can see that you do need to work out some 
of these urges, and it may be of some benefit to 
include in our sessions some extra activities which 
will help you to cum." She paused again, letting what 
she had said sink in.

I was still not sure what she meant.

"I think in order to be able to give Dr Taylor as 
much information as possible, we need to try to make 
you cum as much as we can, just to see where your 
limit is. So far we've stopped our sessions when you 
are comfortable, rather than seeing how many times 
you can actually cum. And also it's been a bit 
awkward during the week, as I'm at work and you're at 
college."

I looked at her still confused. "So, what do you mean 
mom?" I said a little hesitatingly.

"What I mean, is that, in order to stimulate you and 
help you cum as often as possible, over this weekend, 
I am going to give you constant visual stimulation."

I gulped.

"Err, ok," I said, again not really sure what she 
meant.

"Which means that I am going to wear clothes and 
other garments appropriate to do that. I went to some 
lingerie shops today and bought a few items that may 
help with our sessions."

Fuck! I couldn't believe what I just heard. A lump 
developed in my throat, I gulped again and my dick 
stirred.

"Oh," I said, all innocently.

"I may not wear the lingerie all the time, but I have 
some other clothes that may do the job in stimulating 
you," she continued.

My dick was coming to life as she spoke, tenting up 
in my boxer shorts a little, and because I was just 
wearing the gown and no jeans, I realised it would 
soon show. However my crotch was partly under the 
table, so mom could not see it yet.

"And, it may also help you to cum, to go along with 
some of your natural urges with regard to my body," 
she continued. 

"Um, in what way mom?" I managed to say meekly.

"Well, you tell me what you might like to do when we 
are having our sessions and I will let you know if 
that is acceptable to me."

"You mean about touching you," I said.

"Yes, and perhaps a few other things which you may 
naturally feel like doing."

I swallowed again and my mouth was suddenly feeling 
very dry. My dick was semi hard now.

"But," she continued, "One thing is totally off 
limits. You may not ever penetrate me. That would be 
completely wrong."

I blushed deeply at her words, knowing that she had 
thought I wanted to do that to her. Fuck, yes I did, 
but mom knowing that at this stage, felt deeply 
embarrassing.

"Ok, mom," I said in a high-pitched, embarrassed 
tone, trying to make out it was no big deal. I felt a 
tinge of disappointment run through me.

"And one other thing, is that I may do or suggest 
other things which women normally do to turn men on, 
which will also help you to cum," she added.

"Like what?" I asked, curiously.

"Well, we'll see," she said, a bit mysteriously. "Why 
don't we wait for our sessions and then it will be 
more stimulating for you."

As she spoke my mind became flooded with things I'd 
seen in porn movies or in pictures and I just 
couldn't imagine for a moment that what I had known 
as my 'prim and proper mother' doing those to me.

I blushed again and my dick was now raging up.

"Do you feel like you need to cum now Jacob?" said 
mom, looking down towards my crotch area under the 
table.

"Well... um... err... it just so happens mom, that... 
you know... talking about this has... uh, kind of... 
got me going again," I replied.

"Well don't hide it," she said, standing up and 
pushing her chair along the floor a little so she 
could sit a bit closer to me and see my crotch area 
better. 

"From now on, you must tell me whenever you are 
becoming turned on and hard by looking at my body, 
especially as I will be dressed more appropriately to 
stimulate you. You must tell me as soon as you get 
aroused, so that we can do what we can to try to get 
a sample. We must get as many samples as we can for 
Dr. Taylor, to show her just how much semen you are 
producing. Is that clear Jacob?"

"Yes," I replied obediently.

"Now, take that gown off."

I stood up in front of her as she sat about a foot 
away from me. She immediately saw the tent under my 
gown where my dick was. I undid the tie in the middle 
of the gown and let it open at the front. My dick 
burst out, through the gap in the front of my boxer 
shorts, and pointed directly up at her, the piss slit 
showing.

She looked at it hard, leaned across and stroked it 
gently. "That looks nice and ready," she said smiling 
a little, but still quite business like.

I pulled my gown off completely, and put it on the 
back of the chair I had been sitting on.

I was now standing with just my boxer's on, and my 
hard cock pointing through them.

"As I am going to be giving you visual stimulation at 
all times everywhere around the house, there's no 
reason we should not be able to collect your samples 
anywhere too. I'm going to get the semen beaker." 

Mom had kept the beaker on a shelf by the kitchen 
window. She walked over to it, picked it up and came 
back and sat on the chair in front of me.

"Take off your boxer's," she said in an almost 
schoolmistress sort of tone.

I pulled them down and kicked them to one side, and 
my hard cock raged up, as I stood naked in front of 
her in our kitchen. This really turned me on, being 
in our kitchen like this, even though mom still had 
all her clothes on!

"I'd don't want you to cum on my sweater or bra just 
in case I miss catching it, and we do need to give 
you as much stimulation as possible, so I'm going to 
take them off," she said, much to my pleasure.

Mom put the semen beaker down on the table next to us 
and pulled her sweater off over her head, and put it 
on the back of her chair. I saw she was wearing a 
black bra. Then still standing and facing me, she 
unclipped her bra from the back, putting on the chair 
over her sweater, and exposing her large hanging 
boobs, which flopped a bit as she did so. The fine 
gold necklace which I had noticed earlier, was still 
around her neck, and it made her look a touch more 
sexy, as her large swaying boobs hung down below it.

Seeing her like this in front of me, caused my prick 
to rage up further. 

Then she sat back down on the chair so my cock was 
almost level with her face. Mom started stroking it 
up and down. As she did so I looked at the nipples on 
her boobs and the wide areole surrounding them. Boobs 
like that had always turned me on enormously in my 
porn collection, and here they were in real life. 
Fuck!

I wanted to suck on them, but I was still hesitant to 
do anything different to our routine so far.

"I did say to tell me what you naturally feel like 
doing from now on," said mom, taking her eyes off my 
straining cock for a moment and up at me.

I looked down at her, blushed a little, and said, 
"Um, well, I'd sort of like to... err... suck on them 
a little... if that's ok with you."

"Well, that sounds quite normal and natural," she 
said. "You may do so, as long as you don't bite hard 
on them. Be gentle."

I knelt down so as to be more at eye level with mom's 
wonderful hanging boobs, and firstly, squeezed and 
cupped them softly with my hands. Then, I gently 
licked around her left nipple and sucked on it, 
taking more of the boob into my mouth as I did so, 
whilst my right hand caressed her right boob. It felt 
fantastic and my dick jerked up even more.

Then I moved my mouth over to her right nipple and 
did the same, this time rubbing and caressing the 
left boob with my left hand as I sucked on the right 
one. Fuck! The sensation was mind blowing!

I had heard mom gasp a little whilst I sucked on and 
played with her tits. "You haven't done this for 
around 18 years," she said softly.

I was too busy sucking and licking on her boobs to 
reply.

Then, after a minute or two of this, she said, "Ok, 
that's enough for now, let me stroke your cock 
again."

I stood up and poked my hard-on towards mom's face.

She licked her lips again. I wanted to ask her to 
suck my knob, but still felt too embarrassed to do 
so. Her mouth was close enough for me to feel her 
breath on the end of my prick. She seemed to be 
concentrating on my piss slit as she stroked along my 
shaft.

Then, although I wasn't feeling brave enough to ask 
her to suck on my dick yet, I had another idea, which 
I did feel brave enough to say. "Err... mom... can I 
rub it between your boobs?"

"Yes, that should be ok," she said, almost straight 
away, much to my relief.

She moved herself forward a bit towards the edge of 
the chair and held her boobs up towards me, one in 
each hand. I grabbed my cock with my right hand and 
started stroking it between the flesh of her boobs in 
her cleavage. Mom held each tit carefully and firmly 
in position, squeezing the flesh around my dick and 
looking down watching me slide my cock between them, 
and up towards her chin. Fuck, this was great!

As I continued, I could see pre-cum at the tip of my 
prick, and some of it went on her boobs as I slid 
between them.

"Go on Jacob, fuck my boobs and cum," said mom 
encouragingly, all of a sudden.

Fuck! I couldn't believe my ears! I'd never heard her 
use language like that, and it was really arousing.

I continued fucking mom's beautiful full boobs, 
watching my pole slide between the fleshy mounds, 
whilst she held them tightly over my prick, almost 
like she was making a tit-pussy for them!

"Go on fuck them," said mom again, encouragingly.

It didn't take much more of this, and before long I 
felt the cum rise in my balls. 

"Ok, mom, I'm gonna cum..." I said out loudly to warn 
her.

Immediately, she let go of her boobs, and grabbed the 
semen beaker with her left hand. With her right hand, 
she started pumping on my dick, which was at full 
stretch, pointing it into the beaker.

The feel of her hand on my dick was ecstatic, and 
after just a few firm stokes I felt myself spurt.

"Uhhhhhhh..." I said out loud, as my cum flooded into 
the beaker.

Mom carried on pumping me, gripping my dick firmly 
and milking as much cum out of me as possible, whilst 
I was still hard.

After what seemed like ages, the cum waves finally 
stopped, and she let go of me. I flopped back onto 
the chair, feeling light headed and like I needed to 
sit down due to the high of my orgasm to recover.

"Fuck, that was good," I said with my eyes half 
closed, and almost automatically. Then, realising I 
had sworn in front of mom, I opened my eyes and said, 
"Oops, sorry mom, I couldn't help saying that."

"That's ok," she said, still looking at the semen-
beaker. I can understand your relief. I don't mind, 
as long as you don't get too crude. It is natural. 
And I did encourage you in a similar way too, which 
is what women do sometimes to help men cum."

It felt great to hear mom say that and I relaxed a 
bit more. then I looked at the beaker like she was 
doing. It was about a third full again. I seemed to 
be cumming about the same amount each time, even 
though this was my third session of the day.

"I can't believe you're still producing this much, as 
it's your third time today," she said. "It's not 
biologically possible. Surely, you must end up 
producing less each time by the end of the day? As 
we've only had 4 sessions per day so far, whilst I 
was working in the week, I'm sure we can manage more, 
as it's the weekend. And I'm sure you'll dry up by 
the time I've finished with you today."

I listened in silence, still recovering.

"Well, I'm going to change into something suitable to 
keep you stimulated whilst around the house," she 
said. "Clean yourself up and keep just your boxer 
shorts on under your gown." She got up, still 
topless, her boobs swinging freely and sexily in 
front of her, grabbed her sweater and bra from the 
back of the chair, and started walking out of the 
kitchen to go up to her bedroom.

"I won't be long," she added as she left.

I watched her ass sway in her skirt as she walked, 
and I gulped again. 

Wondering what mom would come down wearing to 
stimulate me, and hearing she was going to be like 
that all weekend was enough to get me going! Fuck! 
This was all just so awesome!

To be continued...

Archivist's Note: This author did not provide an 
email address so it will do the reader no good 
contacting the archive staff for further parts. Check 
back at a later time to see if there have been any 
updates to this story by the author.

*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
The author does not condone child abuse, this story 
is meant as an erotic fantasy not depicting anything
in real life. Anyone acting out such scenarios in 
"real life" can look forward to many unproductive 
years getting it up the butt by a fellow convict in 
their local prison system.
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
Kristen's collection - Directory 82