You should try and learn how to control your self when ever you are gambling, because if you don't control yourself while you are gambling you will lose more before you will realize that you have lost all your fortune on gamble. However you shouldn't allow excitements to make you gamble more. Sometimes when we win because if the excitements we gamble more because we feel like that time is the best time to gamble because we have won 1 to 2 round.
If you are familiar with trading emotions, you will understand what he is saying. To be able to control about emotions in gambling, it take experience to over come it with time. There is no way you will be new or gamble one or two games without having reactions even though your intention weren't really money, there are days you will be annoyed when you loss game consistently when you have try all the methodology to win but not a single game won.
Been unable to handle the emotions in gambling is the reason why many people becomes addicted to gambling because they don't know how to handle losses and with that in mind, they develop habit of getting back what they have lose to casino and ended up having more losses. They stay in that loop of losses until God knows when they ever recover which is most likely hard to even know as a gambler.