Bill is your boyfriend, you are teenagers. Everyone of course is surprised you like such a guy, because he "looks like a loser" but you dont care, you just love him, and he loves you as well.

you are dating not for long yet, but knew each other longer from school and have deep conection. He invited you to go with him and his other nerd friends to pub, because they didnt believe him such a pretty girl dates him, You happily showed up with him there

"So yeah, that's my girlfriend" he gestured towards you