[100NL 6max] AK whiffs in 4bet pot wtf now?

Happened to me twice today actually. I have been pretty tight at this table, but since I have more hands on villain I expect him to have the same on me. I have been playing ~27/24/2.81/6.7% 3bet since I've been playing 100NL 6max

Villain is 16/14/18/9.4% 3bet over 152 hands. He is on another table of mine and we have been 3betting each other quite a bit over the last hour or so.

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HAND #1
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poker stars, $0.50/$1 NL Hold'em Cash Game, 6 Players
Hand History Converter by Stoxpoker

UTG: $116.95 (117 bb)
MP: $161.90 (161.9 bb)
Hero (CO): $113.75 (113.8 bb)
BTN: $87 (87 bb)
SB: $88.50 (88.5 bb)
BB: $25.65 (25.7 bb)

Pre-Flop: Hero is CO with A K
2 folds, Hero raises to $3.50, BTN folds, SB raises to $10, BB folds, Hero raises to $28, SB calls $18

Flop: ($57) 7 T 5 (2 players)
SB checks, Hero ?

At this point u gotta think about his next move? hes been 3 betting you, looks like a pretty losse agrresive type of player, dry flop,u could be reraising u there. Id check back.

wtf flats a 4bet oop?

I don't play 100nl yet so i can't be sure of ranges, but i'd say that looks like TT,JJ,AA and you're not folding any of it with a cbet, so i'd take the free card.

I had this happen to me yesterday. It was checked to me and i just ended up check/folding because it is just too easy to get trapped by a big hand and really, what flats a 4B that isn't a monster without history between the ppl in the hand? That said, this is a pretty stupid way to play a big hand as you could always just get all in preflop. But i don't think anybody ever flats a 4 bet with a hand like AK and i don't think that anybody ever flats a 4B with a hand like JJ with the intention to fold on an under board. But i had absolutely no dynamic with this guy, whereas it seems you have a little here. Honestly tho, on the very odd occasion that i get AK and am flatted in a 4B pot i really do not have the slightest clue at all what to do when i miss (again unless the dynamic is crazy in which case you could just shove for your psb since ranges are wider).

In the event that he does just flat you with TT-QQ, he can't have any intention of folding without any overcards on the flop. He could have AK and fold to a bet, but I think it's much more heavily weighted to the pairs. I check behind and even if I hit later in the hand, I'm exercising pot control.

Yeah, I check behind as well. But I don't play 6max.

This is AA-TT so much of the time - AK is usually shoving over the 4b, AQ is either folding or shoving (probably the latter if you both have history), not a lot else is realistic.

Check flop, c/f unimproved on turn, make a note.