You can take a 2% risk on your account. If you take a 10% risk instead of a 2% risk, then you have not followed the money management and it is very risky to do so. This can cause you to lose your balance. You need to maintain discipline. There is not always trade in the market. When there is no trade, if you trade in the market, you are not in the discipline. You have to understand trading, you have to learn how to do money management.