That's true when you already out of control everything start to fall a part, instead of playing with fun eveyrhing change and you start chasing your money especially if you are not ready or willing to let go, it's more likely to lose more if you got emotional as you will keep adding more money when you suffer with losing streak, the tension and fear always intimidate you and lead you to make a mistake deciding what will be better for your sessions.
That is why we must always control ourselves especially when playing gambling because we don't know how something from gambling can tempting us easily. Many people already tempts by promotion from the casino and they finally lose their control by spending much money but they can not win some money. We must be ready with anything we can see from gambling so we can survive by prevent the big lose. We know that we can become emotional anytime but with always trying to control ourselves, we will have a chance to hold ourselves and control our emotion. We will not let ourselves suffer because losing much money while playing gambling so we can stop from playing gambling after we play the game for some time. We can also prevent the mistake that can happen anytime too because we will be careful when playing gambling with the money we can afford to lose.
With that kind of self-monitoring and always be in line with your set limitation and target, you'll just be find and avoid your emotion to bring you down and lead you losing a lot, fear is alway inside especially if you are not ready and willing to let the amount that you are staking that really brings you irritating feelings whenenver you are losing your bet.
Unlike when you set everything and you are just using amount of money that's okay to let go, pressure is not present and you'll likely to leave the house with the fun that you enjoy after your sessions.