2 - Do, it doesn't. What is proves is that you are exercising your right to control who you interact with; he clearly lost his right, which is a natural consequence of whatever he did. It is a mature response to protect yourself in such a way. The 12-year-old response would be to start hitting him and calling him a "stupid-head" (however, imagining doing such may be therapeutic, and doesn't make you less mature! Go for it!)

**massive, massive, halting-your-ability-to-breath hugs**