[Toonces]

Two scenarios here:

Scenario 1: You have bet the flop and turn and were called by one player. On the river, you grab a stack of chips to bluff the river, and as soon as you grab them and lift them above your stack, your opponent throws in his chips to call.

Scenario 2: Similar flop and turn. On the river, you count out your chips (alongside your stack) and put them in your hand. While you are looking at your opponent to see if he's likely to call you, he says, "I call you. I've got a pair of aces."

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In neither of these cases have I been ruled that I have made a bet, and I've check-folded both times. But I also don't want to seem dishonest or an angle-shooter at the table. Am I ethically supposed to follow through with the bet that I would have made if my opponent didn't already call? Is it considered an angle shoot? Would you give up the bet if it's to a fish that you don't want to be upset with you?