This can kill you if the market blows up. They only care about commissions. Do you have a winning attitude or losing one. If it s a losing one stop trading until you are refocused. Winners learn from their mistakes, losers don't.
Winners take calculated risks.
Winners learn to control their emotions. Losers have little or no control over their emotions. Winners are always learning and improving. Losers don't have the time. Winners have a set of rules to follow.