Many people find themselves unable to explain why they continue to gamble despite the problems it causes in their day-to-day lives. The most obvious answer is “for the money” but is this true? When you win, do you spend your winnings on more gambling? Do you continue to gamble until you have little or no money left?
https://www.perfactmedicalhealth.com/2018/11/how-to-lose-20-pounds-in-a-week-with-few-plans.html?m=1/

I use the two golden rules of gambling. The first is that I use no more than 10% of my savings on bets. The second is to bet as much as it is not a pity to lose.