You are right. As there are many factors that give us loss in forex trading and you mentioned one of them and if we want to be successful in forex trading then we need to have good sharp mind as we need to focus and keep our mind calm so we can make good decisions and on time as this is really volatile market so we have to make quick and fast decisions. yes i agree with you and i say that is is important for trader he/she use fresh mind in market and trader analysis the market completely and trader make their trading with good planing and trader work in market like that experts then trader earn good profit with forex and i say that trader always up to date with their market related issues then trader make good trading