AQ, am I too passive?

[hitMySet]

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This guy would 3-bet preflop with AJ. He probably has A5 and got counterfeited on the river.
I really like raising this river and folding to a 3-bet since the flush card and paired board pretty much guarantees that we will only get 3-bet by a monster

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Dont you think that someone who is capping the flop with A5 might try to 3 bet the river every once in awhile when on tilt? You want to give yourself the chance to fold a ~13BB pot to some tilting lunatic? He is very very aggro, a call would be a must if you took that line.