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Hand 2, why fold? Raiser is screaming A-x to me. If you think he has an overpair, you never should have called PF, as you're not getting sufficient odds to flop a set.

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He's getting implied odds to flop a set. Also, there's no shame in folding given new information--"playing consistently" is not a +EV concept.

First hand is an easy fold. I'm not sure about the second.