Sorry girls. The answer is we think about having sex a second time.
What Do Guys Think About After Having Sex With A New Girl For The First Time?
I'm sure they worry a little about how their performance was. They probably replay the whole thing in their mind. They might start thinking about different things to try with this girl. It's probably just thoughts revolving around sex. But whether the thoughts are good or bad depends on what happened when the guy and girl had sex!