I knew they weren't going to come back and win, either. But I just can't bring myself to turn a game off. Even pre-season, I watch the full game.
I learned that lesson all the way back in 2002. We were playing the Carolina Panthers (with Quincy Carter as our QB). The Cowboys' offense was beyond pathetic the entire game, and into the 4th, we were down 13-0.
My entire family got up from the couch (I was 15 at the time) and decided they weren't going to watch it anymore. They all went outside.
Well, fast forward about 30 mins, and they all hear me screaming and going crazy in the house.
Why?
Because despite the Cowboys being terrible all day and giving us no hope, they ended up winning 14-13 in the waning seconds of the game. The first score didn't come until under 4 mins remained, and that was on a very lucky pass, that should have been intercepted, but went for 80 yards to Joey Galloway, then the game winner to Antonio Bryant to seal it. It was unbelievable.
So yeah, that is the game that convinced me to never leave. The Cowboys might lose 99 out of 100 of those games like yesterday; but that 1 that they do make a miraculous comeback is so exciting to witness live.