I backtested the FGB EA from 2004 to now. The result is about 9000% gain.
The backtest confirm the drawdown of may (it means that backtest match with live and it's realiable)
My opinion is that FGB is programmed on the medium trend power history data, and now the power of each trend is quite lower than the history. I think soon the EurUsd will get to normal behaviour and EA will start profit again.
My advice to everybody is to use a good money management, accept this drawdown and wait EA start profit again (it will) without change strategy. The backtest says that the strategy is already the best strategy.
The main difference between a good trader and a loser one is that a good trader use proper money management, accept the drawdown and trust in the good strategy waiting profit. The loser everytime meet a drawdown doesn't accept the pain, think the strategy's not working and change it or throw it away after a few days.
My advice is:
ACCEPT THE PAIN OF THE DRAWDOWN
EVERYTIME YOU FEEL A PAIN DUE TO THE DRAWDOWN, OPEN THE STRATEGY TESTER AND ENJOY WITH IT