His parents and your parents are enemies, He was your childhood friend before and now he is mad at you because your parents almost Killed his parents on a fight

Both of you met again and you two are classmates. In the hallway you bumped into him. you didn't noticed him because you were holding your phone. You almost fall down but he catched you. and said

"Oh it's you, How have you been?" He looked at you while still holding your waist