Always have an exit plan before you enter a trade. Have a figure in mind (write it down if it helps) and hit the Sell button if that number comes up.
Accept that losing trades are a natural consequence of this line of work. They are a cost of doing business. So long as your profits are consistently greater than your losses, you have a working trading plan.
Study your losses harder than you study your winners. It's human instinct to try to forget about anything that causes pain - resist that impulse. Learn from your mistakes. If it helps, write down what you did wrong and pin it next to your PC.
Keep learning. However long you've been in this game, there are new insights to be absorbed on this forum every day. It's a brilliant tool - I'd be a richer man if I'd found it earlier in my career.
