(...)
He is able to be in drawdown from 8 trades in a row, because he is not risking a large lot size per trade.
He knows the market will retrace back or close to the original first trade,
This is the power of risk management, as long as you are consistent with your style or way of trading, you will be profitable, you need to master and control your emotions, not chasing loss is very helpful for this kind of case.
Maintaining this in the long term will make you profitable.