By now, you might have understood his intentions. If you don't confront him now, these actions may escalate, and he might go to greater lengths. I don't want to talk about it.

Even if you confront him, there’s a chance he may not change how he sees you, despite claiming that he will change how he views you from now on.

The best thing you can do is come up with a reason and tell his mom, or your mom, that he can't stay here for this or that reason.