As he looked down, Will noticed that skin was growing between his legs, slowly forcing them together. "What?" he said, thinking that perhaps he had drifted off to sleep and that he was dreaming this, and accordingly shook his head vigorously to wake himself up.
When he realised that whatever was happening really was happening, panic overcame him. "Oh no, no, no- how can this be happening?"
Megan watched the scene from the privacy of her apartment, and saw clearly Will's shock as his two legs melded completely together to become one large appendage.
Will became quiet, realising that nothing he said would stop the changes. "What's happening to me?" he wondered aloud, sitting down as he began to lose balance.
Scales formed around his thighs and began to slowly appear further down Will's legs. His feet flattened out and were replaced by a thin layer of webbed flesh. His penis shrunk back into his body as the scales completely consumed his legs. The bones in his legs tightened then loosened, rearranging themselves into a single long lump.
Before his eyes he had become a merman of sorts.
"Okay, okay," he said to himself. "Don't panic. I'm still alive." He realised that the shower was still running. Instinctively he tried to stand up to turn it off but when he tried to do so, he toppled forward, nearly landing on his face.
"Just great," he muttered, instead pushing open the shower door and crawling out of the shower into the main bathroom. "What am I supposed to do?"