I never see this money. As far as my take-home pay, that money doesn't exist. Why am I being taxed on money that I never receive?!?
("Why are you just noticing this now?" "Now? I'm two weeks early this year!")
This is the only place I can complain about it; too many people respond with "Why are you complaining when you're getting a refund check?" and I'm irritated by people who believe they're smart (and on paper are "educated") but can't be bothered to learn/understand where their wages go.