What would Ты do if someone close to Ты talks bad about your best friend? And what would Ты do if your best friend talked bad about a person close to you?

Ты see, its just that am kind of socially akward, and one of my biggest phobia is that someone stops being Друзья with me. In fact, last time somone stoped being Друзья with me, I cried a bit, and wouldn't talk at all. Either way, thats not the problem, considering that Im starting to get rid of my social akwardness. Yet I don't like losing friends.

So what do Ты do if someone close to Ты talked bad about your best friend или vice-versa, and Ты just can't stoped being Друзья with any of them?

(Don't worry, that hasn't happened to me. Not just yet...)