You need to understand that trading is not all about having a single result to show to the public but having a consistent positive results. A trader can start trading the market and having a positive results and sudden the market changes and he started having negative results. Thus, this is how the market works. Everything does not always come sweet and we should be prepared of the butter days coming. You can also show us your loses.
Of course, he wouldn't show his loss. not all trades will result in something positive. Many traders have to exit the trade at a loss.
Studying technical analysis is not an easy thing. Even though you have mastered it, it doesn't mean you can trade without loss.