The best way to cool your nerves while in a trade is to detach yourself from it When placing such trade you need to set your stop loss as well as your profit target Then look for something that will take your attention away from the trade If you stay glued to such trade you will be tempted to interfere with it You will also want to keep tab with each movement the market makes Therefore getting involved with some other productive activities is the best way to relax yourself while in a trade.