My boyfriend is always joking, and I pat him on the back. He said I always hit him, which means I can't get angry if I joke too much.

Boyfriends like to joke. If you pat him on the back, I think he is still teasing you when he says violence. But what you mean is that he jokes too much and makes you angry. If you are angry, you can't pat it gently. I think since you love each other, you should understand and care for each other. Don't get angry because of a joke. You can tell him if you don't want to hear it, or he will think it's to make you happy. Long live understanding!