Does anybody feel caught in the middle of two people who dont like eachother??

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I used to have a large group of friends all from my neighborhood. Whenever we did anything at all, even if it was just sitting around playing video games, all 6 of us would be there. Then 3 of my friends (we will say friends 3 4 and 5) started changing and started bothering friend 1. Now friends 3 4 and 5 are no longer friends with friend 1. Friend 2 and I are still friends with everybody (though friend 2 is not as good of friends with friend 1 as I am). Last night I said, dont call me tomorrow, I am going to call friend 1 because I havent talked to him since last week. Friend 3 says "Then it will be weird when you talk to him again", trying to convince me not to call him. This morning when I woke up, my mom says, "friend 3 called you". Am I being wrong for not calling friend 3 back, but instead calling friend 1? I havent called friend 3 back even though friend 1 is going to be busy for an hour or two. Do/did you have these sorts of situations? Isnt it so annoying to be caught in the middle??