He's winningly naive!

I always got the impression that she told him it was off, but didn't really explain why.

I always liked to think that the pink sweater was part of a set of "work clothes", since she only seemed to wear it at Luke's.  Having worked in a diner, I can say that the smell of hot grease and cooking food gets into your clothes in a way that's nearly impossible to get out.  I definitely had certain clothes that I…