He says nothing. He doesn't know what he can say except to point out that he didn't know how little he knew about this stuff, or how strange it'd make him feel to be asking it.
Basically, that he didn't realise how bad he was at having a conversation of any kind of depth with a woman he's interested in.
no subject
Basically, that he didn't realise how bad he was at having a conversation of any kind of depth with a woman he's interested in.
So he just drives.