He might be a vampire or he's just weird.
They like you
He's hungry
it means he was to f**k you dahhh
It means that he has no respect for woman whatsoever, and I am a guy answering this.
He's just really horny at the time and wants to fool around with you.
How old are you? I mean seriously. And most likely because that is strange.
They want to hug you:)
He miss the girl
it means he is either nervous or unsure, angry, bored or it may even just be a simple habit.
It means he realised he was too "forward" by smiling at you, so is now trying to control himself.
Thor
She probably feels pressured or uncomfortable about sitting there because she isn't ready to have sex.