Step Mom catches stepson watching her change, what should she do?

What's that noise?

Uh, nothing. I was, uh, one of the books fell. I was looking for the Michael Powell, the new one.

Okay, um, just going through my books.

You know, it's not like I can take any credit for how he turned out.

I mean, you know, I'm a stepmom. I didn't meet him until he was...