What to do on the turn?

[drewjustdrew]

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FWIW, here recently I was in almost in the same situation in the same casino but I flopped the nut straight w/2 spades & had to shove (about $250ish) on the flop in a 4 way pot to get the flush draws to fold. Then they had to think it over for a while!!!

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They know you've got a 10% chance to be bluffing and their overcards may be additional outs! They may just be ahead right now!