Markets are fundamentally volatile. No way around it. Your problem is not in the math. There is no math to get you out of having to experience uncertainty.

Working to anticipate the future can be a distraction from the important task of dealing with the present.

Trying to trade during a losing streak is emotionally devastating. Trying to play 'catch up' is lethal.

It’s all about sticking to your plan and experiencing feelings as they arise. If you are unwilling to feel your feelings, the temptation is to avoid them by jumping off your system

To avoid whipsaw losses, stop trading.

Luck plays an enormous role in trading success. Some people were lucky enough to be born smart, while others were even smarter and got born lucky.

A losing trader can do little to transform himself into a winning trader. A losing trader is not going to want to transform himself. That's the kind of thing winning traders do.