it’s all about self-control and discipline. It will appear, but only after making previous mistakes and bad luck, the main thing is to learn this lesson. If you manage to earn a large amount, you don’t need to play further, but it’s important to take a break and take away most of it, so there will be no further temptation and excitement to play further .
If gambling didn't involve risk, then maybe there wouldn't be many of the things we always recommend that gamblers should have, but because it is the opposite, in the sense that gambling is really risky then of course there are various actions that lead to prevention to minimize the occurrence. a worse situation will always be suggested. One of them, as you said above, is that overall this is a matter of self-control and strong discipline.Ignoring greed is quite a difficult act to do, especially for gamblers who are addicted when they are in a lucky situation, but after all, there is no other thing than ignoring greed if you really want to get a real win, meaning don't. give yourself an opportunity that can trigger continued gambling when you have succeeded in achieving victory, and also you must maintain the awareness that no matter what and forever gambling will always be a risky activity, and by maintaining this awareness, I am sure that You would prefer to cash out some or even all of it rather than continuing the gambling session.
In addition, in order to be guaranteed not to go into the red, you must at least return the deposit, and not the small winnings that you receive. And the questions about the meaning of these actions (if making a deposit is easy/difficult) are still valid. 
