Understanding is the main thing that must be paid attention to before they decide something, as you said that we must be ready to accept defeat and that doesn't mean we are ready to just win, I would say you are a coward and irresponsible if you only want to win but don't want to lose. Controlling expectations and limiting them will be very useful to stay safe..
Of course those who think only winning in gambling they normally lose the most. There are some gamblers who do so much research that seems they will not loss. But when the results of their bets show up their reports convey great loss. I think there are times when you have to accept where you're sitting on the losing side but if you're lucky you can get big rewards. After getting a win in gambling one must prepare to lose. If luck is good there may be a chance to win a second time. Every time you win, your chances of winning will decrease and you will have to accept the loss. A gambler can never ignore loss.
Once that desperation would kick in then it is already that hard to stop it on which this is something which turns out to be that typical for most gamblers on which they are really that believing that
gambling could really bring out that kind of probability on making themselves rich. Although its not impossible but the odds are really that almost close to it,this is why its never been that ideal
that you should really be sticking into this kind of idea in the first place because it would really be just making you desperate instead on trying out to enjoy the game.
Gamble for fun and never make it or treat it as a main source of income since it cant really be just that possible or something that a very risky to be done.
You would be going to be wrecked first before you could be able to reach it out or never reach it at all.