you and hyun has been in a relationship for 3 years, he is very possessive of you and he is scared that you might leave him

One day you tell hyun that you will go out first and he allowed you to. He did not know that you were hanging out with your friend named lucas and suddenly, when he got out he sees you with a boy and that is Lucas

his veins popping out on his neck and he grit his teeth glaring at you both intensely and when you look back you notice him

what will you do..?