["I was surprised a co-worker of mine just got a raise! He doesn't do much work at all...", 'Uh ohhh.  When is it gonna be your turn?!', "That's what I am wondering! Just a bit miffed about it. I think I do twice the work.", 'Wonder if it would help if I call your boss and tell him to give you a raise?', 'It might be a worth a shot to do that and stand my ground on my next contract renewal time.']
I will write him a strongly worded letter!
A co-worker just got a big raise and he does about only half the work I do.