[Chuckles. He knows that face.]

Well, there is a possibility of magic. In which case he would be incredibly frustrated as he refuses to admit such things. Or perhaps an odd serum or medication he was exposed too? His neighbor is an inventor, so it wouldn't be impossible he somehow got close to a person who was trying to achieve that affect, but that does have the problem of why he's hiding. So perhaps someone gave it to him thinking it was one thing when it wasn't?

He does know more than most of my fans. It's almost creepy.