trusting my instincts?

When I play at casinos, I usually have an advantage on reads of what type of player they are in the low-limits. Aggressive and whatever. I have the Hellmuth's tells dvd and caro's tells dvd. But here's the problem I'm having. After someone spikes trips or something, my instincts are telling I have a loser, but a lot of times I call because it is limit. A lot of times my instincts are correct on having a good hand but losing. Can anyone help me out? For example last night, a new player on the table limps in w 47 off suit. He's a young guy so I felt like he's loose and maybe aggressive. No really good reads because it was his 2nd hand, it was a kill pot. so I raised. and i raise w my 88 on the flop when he bets his 7s and he bets on the turn. My instincts told me I LOSING! but I still call and he was almost all in for 5 more chips.. Can someone help me throw those hands away when my instints are telling me I'm losing?

[StevieG]

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Can someone help me throw those hands away when my instints are telling me I'm losing?

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Keep track of the pot size. If the pot is small you'll feel a lot better about folding when your reads tell you to (and you won't be making as big a mistake if your instincts are off).