Knowing a little about the villain is always essential, but here, few players are firing multiple barrels, multi-handed, with that action/board.
It's hard to let the rockets go but they are a double edged sword and against better players it's easier to win a small pot and lose a big pot, than it is to win a big pot with the pair.
With regards to running bad, more people feel they are running bad if they get it in pre-F w/ AA and lose to Q 10 especially if every big pair in their session gets in pre-flop and loses. Once you have multi street action, your decisions are more important than running badly or not, however wonderful it is to get hit by the deck over and over again.
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