I think, believing in yourself is certainly good for us not to be thrown around by other people, but if it's not too confident too, because the prediction of the name is not always right, so we still have to use good Money Management to not do the OP too big without seeing the ability of endurance is called suicide and forex can be a little lucky. Actually not in forex anyway, but in all businesses. Taking as much foreign exchange as gambling that only relies on luck. Not so in determining OP in forex, we can get luck but that is not the focus.