Well, believe it or not, not too much bothers me.

I dont like when CA's dont tell me Im doing something wrong, only to find out by a Good CA that Have been doing something wrong for months......

F/A' that are rude to the PAX, cant speak proper English, and dont ask us if we are at least alive on 3 hr flights...........

CA's that dont tune the frequency when my hands are full......., and they are just sitting there............

Douchebag FO's that dont thank you for getting the walk around ( I know I know we are all supposed to do our own)