But what is a teenage? Nevermind that! Strange is just backpedaling now! "Do they really? Have you seen the things she reads?"

Unless Rita's writing smutty fiction in that text he can't read yet -- highly unlikely -- there isn't anything like that in Rita's piles of books except Strange's book. He knows! Because he's gone through them!

"Are you sure you're not describing yourself?"

Did Strange read all sorts of smutty fiction when he was Rita's age?