Professional trader know the methodology of trading. Most skillful trader didn't trade with emotion they have their predetermined exist plan and have good trading plans.
In the trading world being patient is one of the most successful keys, without being patient you can lose profit or rare get a profit. It's good to make a plan what are you going to do, what do you expect and see the result, when losing in trading we should not consider that as a lost but as a good lesson.
If you know what you are doing patience is irrelevant
It could be used as a marker in its own right. If you are impatient or feel worried, say, about where the price should go, it just means that you pretty much don't know what you are doing since you are relying only on luck (or mostly on luck). In other words, if you are sure that something will happen, it doesn't matter if you are patient as an individual or not. Other people may think of you as being patient in that case while in fact you just busy yourself with something more urgent until the time to act comes