I usually don't have to work hard to pump myself up, but sometimes I get it from odd places.
Last year I was just about to leave for the gym and Malcolm in the Middle was on the TV in the background. Malcolm's grandmother is an old holocaust survivor, and she's ripping it out of one of the kids for being too soft, and getting pretty emotional about it.
She gets all worked up and says something along the lines of "What are you going to do when they come in the night, kicking down your doors and dragging your family away?! What are you going to do about it?"
I don't know why, but it struck something in me - I thought about it all the way to the gym, went in and had one of those sessions where you just focus, tear it up, and every set rocks. All from an episode of Malcolm in the Middle. It sounds silly, and I was shocked that something like that could pump me up for training, but I still think about it occasionally, and still get the same feeling in the pit of my stomach.