[BluffTHIS!]

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On the other hand, it may be that your POW friends are doing a little bit extra to induce those calls. A very rare, carefully chosen bluff; the right table manner; a few tricks like fake tells; these things can turn a tight break-even player into a POW.

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This plus since you said they are aggressive, they might often raise a lot more hands preflop but not actually play too many more than other players. This gives the illusion of action and gets noticed more than the fact those type players are checking and folding when they miss the flop after having raised preflop. I only play big bet and not limit, but this is how good big bet players are often able to get more action than they should.