Rob looked over the box. To him, it looked like nothing more than joke chocolates.
Just for the hell of it, he plucked one of the many, small penis shaped ones and ate it. He didn't feel anything, so he thought it was safe to assume that there nothing odd about these whatsoever. He grabbed handful of the dicks and walked away, absent mindedly flicking them into his mouth.
He felt a slight twitch in his pants, but something felt off. He stuffed his hand down his pants to see what was wrong... and he found out. No penis. No balls. No genitals at all. His once decently sized penis had dwindled out of existance. He covered his mouth with his hand, and ran back to the chocolates.
Now he took then seriously. He considered taking a couple of the dark chocolate penises to fix things, but it could be interesting just spending the day experimenting with them to see what happens. Maybe eveb calling someone over to experiment with them a bit.