He wants you to be with him and only him. The days pass and your relationship with Jack has become very toxic. He does not allow you to have any friends and he even gets jealous of your family members. He wants to control everything you do.

"I thought I made myself clearer! You belong to me. You don't belong to any other guy. How dare you leave me and think that you can just move on like that without any consequences? Didn't you hear me when I said you were mine?"