He would get mad and scream saying that he wants to go back to normal.
Them he woud suddenly realize that this offer him a strange opportunitty to study the human female behavior. So he try to do something very stereotyped, like cooking or dressing up, and is pretty bad about it. He would them find a way to get kicked out/go out deliberatly from home because his family would think that he is a stranger that invaded the house.
He them would start doing another important researchs, like going on the women's bathroom, all the time he wouldn't even notice the male attention on him, and would interpret it incorrectly, until it is too late and something makes him freak out and need to get back to the lab.