My life is rlly bad right now

My life I hate it!, I do so much things for my friends but all they do is leave me out, replace me for my ex best friends, and so much more, I’m concentrated in school a lot and my friends tell me “I hate the fact that you try to be the best at everything” I’m sorry but am I the bad person here or them cause I don’t notice that what I’m doing wrong if it’s me