Ben clicked "Gorilla". A voice comes on, saying "You have chosen 'Gorilla' as your change. Please wait, and have a nice day."
Suddenly, Ben felt a jolt in his mouse hand. He stared down at it.
It was bulging. Becoming bigger. And turning black.
"What th-" He muttered as black hair started to grow longer on his arm. The hair spread up to his shoulder and continued down his back. He watched when the hair hit his legs and feet they reshaped, altering his stance and toes.
The change continued up the front side. Ben threw off his shirt to watch as hair covered his front, except his stomach and chest, which remained hairless and black. He was suddenly shoved down by something so that his knuckles were touching the floor - it took a second for him to realize that his posture just went down. He felt a tickling around his mouth, and ran to the bathroom for a mirror. He had to help himself up with his hands to watch.
His mouth turned black and bulged out, and his nose shrank into his face. The hair spread up his head, altering his eyes and making his head larger.
Then his whole body started to bulge and grow. His pants and socks burst off - his bulging muscles made it hard for him to get through the door. He hurred clumisly back to the computer as he felt his internal organs shifting, some disappearing, and some new ones appearing. Ben felt a tickle in his throat, and when he tried to speak it came out as some grunts. His eyesight became fuzzy and dull.
The change was complete.
I've gotta change back! Ben thought, looking down at his new muscles. He wobbled over to the computer to find a way to change back, but not knowing his newfound strength, he accidentally crushed the mouse while trying to click.
How the heck am I supposed to get a mouse when I'm a big ape? He thought to himself. This was a dilemma indeed.