why does my teeth hurt when i bite

That's unusual. Could be a cavity, gum disease, or it could just be sensitivity.

Well, regular toothache can be a result of many issues. But we're Starks, we don't ignore things. We should get you to a dentist.

Well, stress can lead to teeth grinding or clenching and that might cause pain. But again, it's best to see a professional about this. And don't worry about dating Peter, just be open with him about it.