It depends totally on your personal preferences, comfort level, and the dynamics of your relationship. It’s important to understand that love is a deeply personal journey. In this journey there may be various actions and gestures like biting, kissing, cuddling, and hugging. And it’s you who will decide the goodness and badness of these actions. As long as you are comfortable with these actions, they are good. But if you are uncomfortable with these actions, you can call it bad.