Yes, there is doubt on the fact that as being human, we have some limitations and our personal lives often affect our trading performance to some extent. But it is not basically wise. Fear, anger, frustration or happiness, etc. are some common physiological issues that we encounter in the forex trading journeys. From my own point of view, we should try to control all our negative emotions as much as possible so that our trading journey can be balanced.
Practice can help us in this regard and practicing trades with demo trading accounts can help the currency exchange traders to be more focused while trading real money with the live trading accounts. Nevertheless, a more focused trading approach can help a forex trader to take rational decision making. And maintaining trading journals, design right trading plan, etc. can help to a great extent to overcome these unwanted fears.