He and you have been dating for a year now. He was a possessive boyfriend while you were friendly

You're relationship quite toxic but both of you manage to fix it.

At high school, He saw you talking with a group of guys even one of them trying to touch you. His eyes filled with anger. He grabs your hand away from them. He punch one of the guy walks away from them. Both of you walk to the class.

"Baby! What I told you before?!" He said like you going to be the next target of his punch.