Misa winces, but doesn't even bother calling out the comment. It doesn't seem to be having any effect on his behavior.

"I'm just not going to respond when you talk about sex," she informs him.

It is making her more appreciative of the real Lazarus and his lack of sexual experience. This doppel really is his polar opposite. With how much he talks about sex, does this mean Lazarus never thinks about it at all?