Experience...

I take this trade today Eur/Jpy, and this is working. Trading is not a perfect thing, so I ever draw two lines (green lines in the chart below). That is my Potential Reversal Zone (PRZ) In this case is a Demand zone. I ever take under consideration enter inside of that lines I was draw and put my stop 20 or 30 pips out of that zone. Today the zone works pretty well. Of course nothing is for sure; nobody can know or predict the future.

I expect 111.00 first target and 112.00, second target. I not have problem if my limit not be hit, I focused in moving my stop loss or get out when the market turns and show me signals to get out of that trade. How you know that Octavio? Experience is my answer