something has been carefully measured, so even if you don't use a stop loss, you will still be able to exist in forex trading, and it will be very different if the person who doesn't use a stop loss is a gambler, you can be sure that the lot must be inconsequential and not measurable because it's only profit. so that he can get a big jackpot .. you can be sure that in the end he will not be able to last long in the trading business.