How do you get rid of feelings

Fuuuck, I think me and my friend like the same person 🥲 I’m genuinely sad right now. Me and this friend of mine are pretty close so I don’t know how to feel about the whole thing. Jealousy? Anger? Sadness? It’s very mixed right now. I was planning to chat with my crush but I don’t know if I should do that anymore. Maybe I’ll just back off. I sincerely do like this person, but I don’t know of the heartbreak is worth it in the end. Any suggestions on how to get over someone?