Are you feeling stuck in trading due to your strategy? The person you are thinking their strategy is working, may have a strategy that is not sustainable. While it is important to be able to unlearn and learn something you should be able to understand also sometimes that your strategy is not working because you have not gone deep enough in the mastery of it.
I believe that every trade will provide a lesson from the experiences we gain. If we want to continue growing, we must reflect on our shortcomings and try to improve for the next trade. Sometimes we are too hasty in determining our trade positions; I think many traders experience something like that, which makes us forget some other things that lead to our mistakes.