Bite someone's finger, it depends on the specific situation.
If you are a male, you have invaded your family, such as your sister, classmates and neighbors, which shows that self-disgust is a kind of guilty anxiety, which is not common.
If you are a woman, there are two situations: 1. You have brothers at home and get more care from your parents. You blame this on gender differences and want to remove the privileges of brothers.
Your anxiety about yourself and your boyfriend's sex.