Would you end a relationship with someone if you didn’t like one of their friends?

My ex wants to be official with me again and I told her it’s Not going to happen. Because I don’t see eye to eye with her anymore , I don’t hate her , but I can’t give my heart fully to her again , I still have my reasons , even though I do love and care about her and she is still legally my wife but things have been better just being FWB’s between us. She also has a new girlfriend that I can not stand whatsoever , she is just another part of the reason , I do not want to be official with my ex again , I think my ex is doing more than just being friends with this girl , her friendship with this girl is very weird and shady to me , I can’t really put my finger on it but my gut knows something is off about her friendship with this girl. This girl doesn’t really care for me either and does her best to pull my ex away from me as much as she possibly can , like she is Gay for my wife. I told my wife it’s either me or her , if you want a commitment again with me. Am I wrong? I have been nothing but honest with my wife and expressed my concerns to her. I also do not want to be in a relationship with a girl that chooses her friends over me , that doesn’t accept some of my friends , Why I feel FWB’s iis best for her and I
Would you end a relationship with someone if you didn’t like one of their friends?
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