CC I think you are in need of a little clarification. I didn't mean cheat on your wife kind of hit it, I just meant if you were single at almost every stage of your life you wouldn't kick that girl out of bed.
Second, you are absolutely right. She is probably feelin a bit low but chances are she won't go for a guy that tells her she's fine the way she is. She'll go for the asshole that treats her like she's lucky to have him and that she does need to drop a few LB's.