You sound like you're going through what I went through. A war broke in my friend group and I lost 4 friends. Two of them were some of my closet friends. Things were said to me that hurt a lot. I've went from just being to stressed to being the secret depressed person in the friends group. Considering how things went last time we has a suicidal person in the friend group, I don't want my friends to know how I feel.
The best thing to do is not make the mistakes I made. Be calm, don't get aggressive. Think about how they feel. Make sure everyone sees how others think about their actions. Don't let anger take over. Sometimes just talking it out is the best thing you can do.
I'd just like to clarify I haven't seen the first part.