Quote Originally Posted by outphase
This is one of those situations where only a better hand would call
Exactly.

There's no logical reason to push with two pair QJ. What hand is behind that will call this? Two pair Q8? First you have to consider the odds he would have that hand vs a set, straight, flush, or KQ which ALL beat you, and then you would have to consider the odds he's gonna call with it.

I understand you were watching a board coordinate heavily and had two pair, but the fact is he raised you, which makes it more likely he isn't drawing. He either already has you beat, or won't call an all in. Sometimes you have to allow the board to do it's thing in the name of showing down cheaply if that's your goal. This is especially true heads up. If you are trying to chase off, then be more than sure your opponent isn't already made. There's way too much out there to risk it.

I think this is the most common big mistake I see.