Taking a deep breath is also right, sometimes we are pulled into a black hole that we forget to analyze what is happening anymore. Recently, I lost some amount due to that kind of attack. Never rested. I thought I could take it back by forcing it but it didn't materialize.
My little advice would be to set a time too. Schedules. This could make us avoid being addicted in the long run.
An example would be like just one hour of gaming or betting after lunch then we rest despite the losses. Again, it takes discipline before this can be done.
Because of the easy access to gambling sites, we can do it anytime but we should not be diving deep unless that is our job. If it's just a hobby, there should be a limit on when we should stop. Just like kids' playtime.
Sorry to hear that, I hope you recover soon from your loss danherbias07. These are good tips from someone who has suffered first hand what he's talking about. Set not only a budget but a schedule also. Never let you go too far in money nor time. We can link this idea to paxmao's "Have a break from time to time, it is important to let your brain stop and consider".
You said unless that is our job, very few people can make a living from gaming and betting, and they know how to do it by making profit from videos in Youtube or other assured means of income. But for those who only trust in luck it is too risky business.