Would you look? A cash game dilemma...

Honestly, I've been in this situation. It's very hard to purposely look away when you catch a glimpse of your opponent's cards. Even then, you've already seen them, right? So what do you do? I know what I'd do and likely what 99.9% of players would do. You play the hand you're dealt with all the info you have. It is what it is.

Is it cheating? No not at all.

Btw - as I was sitting here playing an online game while Cardschatting, I decided to edit my response. At the very instant I clicked on 'Edit' my computer shifted back to the game and raised with my 72o hand while in the big blind. I almost won the hand .

Of course, I kept looking at his cards. It was very kind of me to point out the mistake, but he just laughed. So it will become part of his own learning when he remembers the situation and realizes the error.

With that analogy, poker can be considered a business, not just a game. You never go to your competition and point out their mistakes. Instead, you use your opponents’ errors — and all their actions — to your advantage.

There is a thin line between keeping on looking at your opponents cards and peeking or sneaking through his/her cards!
Looking is absolutely fair and fine since it can be called studying your opponent including his cards but the later part is a big no no!

Yes, it is clear cheating. But I don't cheat, I just try to observe how he plays with different hands. When he has a strong hand and how he behaves then, what his bets look like, how he behaves with weak hands and how he bluffs. Then I avoid playing and don't get involved in unclear spots. Winning fairly tastes better than cheating.

In poker, the responsibility to protect one’s hand always falls on the player. If someone is careless about how they look at their cards, and they openly expose them while you’re simply sitting in your normal position, that isn’t considered cheating. It’s just part of the natural flow of live poker, where awareness can be as valuable as strategy. In this situation, you actually did the ethical thing by quietly warning the player. Once he dismissed your advice and told you to “worry about your own game,” he essentially made it clear that he wasn’t concerned about the information he was giving away.
If you happen to see his cards after that, without leaning, stretching, or altering your posture to gain an advantage, there’s nothing unethical about it. You’re not manipulating the game; you’re just observing what’s freely available. Cheating involves intentional actions that break the integrity of the game — things like collusion, marked cards, or deliberately moving to see someone’s hand. Simply noticing what another player fails to hide does not fall into that category.
That said, while it may be within the rules, it’s still a spot that requires discipline. You shouldn’t be obvious about it or behave in a way that disrupts the table. But ignoring free information would be a strategic mistake, especially against an aggressive player whose ranges matter a lot. Poker rewards those who pay attention, and it punishes players who don’t respect the fundamentals. If he won’t protect his hand, you’re not obligated to protect it for him.

In my opinion i would definitely make a comment to let him be aware of the fact he is revealing is hand. After that we are all adults entering a game to win eachother money.

If he keeps revealing I won't try to see them on purpose by leaning in or somthing. But I wil take the extra info when it comes.

To be honest thats still quite civil for a game that is often won by deciet and being a good lier.

This is one of those spots where ethics matter more than EV.
Once you’ve warned him, you’ve done your part as a decent human and a decent poker player. From that point on, intentionally trying to see his cards crosses a line for me. Even if he’s careless and dismissive, actively using hidden information that other players don’t have access to breaks the spirit of the game.
Poker is a game of imperfect information. When you deliberately remove that imperfection for yourself, you’re no longer just “playing better,” you’re changing the rules in your favor. That’s why I do consider it a form of cheating if you consciously look and adjust your decisions based on it—even if the casino technically puts the responsibility on him to protect his hand.
There’s also a practical angle: once you start justifying this behavior, where do you draw the line next? Angle-shooting, soft collusion, exploiting mistakes that go beyond strategy—it’s a slippery slope.
Personally, I’d avert my eyes and play my game. If the situation keeps happening, I’d alert the dealer. Long-term success in poker (and life) comes from winning cleanly and being able to respect your own decisions, not just your win rate.
Curious how others see it—where do you draw the ethical line?

G0930 said:

Yes would be absolutely cheating.
Whenever I saw a hand live when a person didn't protect his hand I would tell the dealer about it and he declares it a missdeal.
No fair game when someone has additional information you're not supposed to have.
When the person keeps on ignoring the necessity of protecting his hand he will get excluded from the game

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I don't know if I would go as far as calling it cheating if the other player is essentially showing them their hand, but I think declaring a misdeal is the best way to handle it if they aren't taking the gentle nudge to protect their hands. If you want to play live tables, you have to learn how to do it correctly and many seasoned players aren't as kind with new players and will either take advantage of them or get angry. One misdeal where the player across from the newbie loses his AA and he'll learn pretty fast how to play properly.