And again, I already said this numerous times, it is really important to know our boundaries and limits because without any of this, we will not stop in chasing the money even if the chances are much too slim and that will just lead us to a road that doesn't allow you to turn your back as in the first place, you yourself brought it to yourself. I agree on the importance of self reflect because we are just humans, we know that we are bound to make some mistakes along the way and hence why we need to some time to reflect.
We always say this to our friends who love to gamble, but some seem to ignore it and still cross the line. They reason that their hopes tempt them and see that other people can make a lot of money at a particular game, so they try it. But instead of earning a lot, they lost a lot they can only regret. And after they have lost a lot of money, they should be able to reflect on themselves to learn from their mistakes and not repeat them but unfortunately, they keep repeating them. We can't help him to reflect but can only help him by continuing to warn him to limit himself in gambling.
We can't control that's the fact! Even how concern you are it always be depends from the person itself if how they will going to control, and same with your statement, they will only reflect things when they already lost a lot, you can continue to remind them about it and not to fail to give them some words of advice to the point that you will spend time with them.
But the last resort to send them away to this situation is for them to accept the help and start changing their own directions and their
perspective about gambling.