Take your time. Grow some more.

Thrilled with your slowing developing muscle, you stroke you cock gently and focus on Craig's body inside you.

You think of everything about him that turns you on. His fantastic pecs. His 6'3" frame. The curliness of his ginger hair.

You feel yourself growing slightly taller. Your chest swells ever so slightly.

It's all too much. Like a bomb detonating in your loins, you climax. You hips lurch forward humping the air wildly. A massive shot of spooge is hurled from your meat cannon, painting the wall with sticky mess. Another blast. Your toes curl in ecstasy. Your eyes roll back.

Another! Four. Five. Six...

17 volleys of cum later, and you open your eyes to see Craig lying on the floor. He's much shorter now, maybe 6'. And his muscle definition is diminished. No longer having the body of a chiseled athlete, Craig looked merely average.

His now too-large pants had slipped down, and a 6" erection poked straight up, spasming in orgasm, though he'd come his last drop long before.