The most important rule is to play great defense, not great...

The most important rule is to play great defense, not great offense. Everyday I assume every position I have is wrong. I know where my stop risk points are going to be. I do that so I can define my maximum drawdown. Hopefully, I spend the rest of the day enjoying positions that are going in my direction. If they are going against me, then I have a game plan for getting out.