If people are not focused on their mental well-being while setting and continuing their course of action, then it might be a good idea to quit. If you can't keep your focus in the casino, then you should stop for that time. It could be under stress or when you're losing too much or winning too much. Stress and depression can ruin your focus and even your chances of getting your bets right. Antidepressants are effective as a quick positive pill but they can also put you in a deep hole in the long run and later on as you said. It's not really a feel-good factor that will not be positive for you.
When you win or, on the contrary, lose a lot of money, then there is no talk about mental well-being. Here, only emotions come into play, which fill all the space inside a person. Reason fades into the background. This is the very trap that many players fall into. Adrenaline boils in their blood. They want to win more or win back. It was exactly the same with me. I remember very well those times when I hung out in an offline casino for days without windows and time. Just look at the atmosphere itself, which is created with the goal of keeping the client in place as long as possible so that he can spend a lot of money. How many times have I seen this in myself and in other people. You just can’t stop. You want to be in the game all the time.