What should i do and what shoud i say?

Ok my bestfriend and my friend dont like eachother anymore. They are fighting nonstop and i cant take it. Ok lets say my bestfriendz name iz Madblue and my friend iz Rayray. Ok so Madblue is mad at me for being Rayray's friend. And i feel lik cutting myself again because i cant take this shizz anymore. What should i frickin do. I want to be friends with both of them but they dont want me to be friend with one another. What shoud i do?