Selfish Penis:  "I'm not the little head anymore!"

Back Story
In this episode of the Selfish Penis, feeling neglected and a bit angry at always playing second fiddle to his big head, our hero hones his technique of self stimulation and growth.  In realizing these new found abilities, he decides to demonstrate them, but discovers something he is even surprised about.  He's grown larger than the "big head"!  

[quietly, coyly]
hey .. hey .. wake up .. ah, finally!  Now that you're awake, i wanna show you some new things I've been practicing.  Noticing a little something extra in your morning wood this morning?  I've been generating cum for the last hour, and I'm all filled up now.  Yup, brand new stuff!  Oh, but there's much more where that came from.  Feel that tingle, yea, right there in the head.  [begins moaning] just the tip, yea mmm just ... the ... tip.  [increase excitement in moans] tip .. tip .. here's where the fun starts!  mmm ahh feel it moving slowly down the shaft, mmm uh huh ... down to the balls ... and back up again!  and back up again.  Let's go a little faster now ... up .. and down ... up ... and down up .... and .... down [vary a few times while moaning in pleasure then,] you realize if I keep doing this you're going to cum, right?  It's going to be amazing, too.  up ... and ... down [a few more times] We're going to cum so hard from this.  I'll count it down .. [edging moans between numbers, growing more intense towards 0] 10 .. .9 ... 8 ... 7 ... 6 .... 5 are you ready? 4 ... 3 ... you wanna cum?  huh?  2 ... yea, mmm we're gonna do it!  yes!  and NO!  [laughs] I have much more to show you.  

[GROWTH ABILITY]
I'm soooo tired of being the "little head".  Watch this!  [panting, little struggle] mmm bigger, harder ... I'm growing!  [moaning, panting] yes, bigger ... even bigger ... take me out ... bigger  ... harder, stronger ... bigger than ... bigger than ... bigger than your so called "big head!"  Holy [draw it out ho .. lee] fuck, I'm HUGE!  Look at your GIANT, SELFISH PENIS NOW!  bet you wanna try stroking me, huh?  [laughing,] you're gonna need to hands for that!  Yea, stroke me up ... and down ... [repeat a bunch of times, maybe throw some edging or improv in there if you like, then,] Yea, let's cum together ... stroke me faster .. faster ... harder ... I'm ... gonna ... cum [and moaning to orgasm]