Determine how much you will lose; never play further if that amount is already lost. This way, you don't make the cost of your pleasure too high. You determine for yourself how much your happiness is worth. Gambling is a bad adviser to you in this. Please don't listen to him, have the willpower to get up in time from the gambling table. Try your roulette skills at https://www.ezlightningroulette.com. Determine how much you will win, and never play any further if that amount has already been won. If you want not just to play but also to win something, follow this rule.