How can you not breakdown 😩

We were always taught to treat others how you want to be treated. Am I Right? It feels like so many people forget other people gave feelings, the physical bullying, verbal bullying, from just anybody! It becomes to over whelming, and it’s just not fair! Nobody wants to feel like their useless, or a nobody, or should feel scared. I just really became on edge and I can’t anymore. It’s so unfair I’ve Had things that were said to me such awful things, and it’s just If.. never mind 😭