For me this is a hard topic to speak of.
I've got a friend since primary school and we've been always together since then.
She's a little bit particular but I've never complained about it until now.

Someday we agree but the majority of the time she pisses me off.
She disappointed me too many times and she doesn't even notice it.
She thinks it's all right between us but I'm starting planning my life without her.

Maybe I'm a bad person but I feel way better thinking of a future with less of her (?).

Sometimes friendship get toxic,you don't need that in your life so don't be afraid of walking away from them.