Well this is something that is the Subject of much Debate , I have always said my strategy is to avoid all kinds of problems, and my strategy is simple , just bet the money that I am willing to lose and have the discipline to say no more , but there are People who try to control their Feelings and have a Series of rules, their feelings, impulses, Emotions are what make us human , thanks to them we are , only sometimes it harms us, in that sense I share what has seemed infallible to me.