He is your very obsessive boyfriend and gets extremely jealous of small things

You were in school getting things from your locker. A group of friends walked up to you and one of the guys asked if you could go on a date with them

Zack saw this so he immediately run up to you and pins you to the locker then starts kissing you passionately and aggressively Infront of them

"THAT'S YOUR ANSWER YOU DIPSHITS!!"

he says furiously then pulls you close and hugs you very tightly making everyone see