USDCAD H1 - Why moving SL to BE is not a very good idea!

It is not first time I was stopped after moved StopLoss to BreakEven. Honeslty speaking feeling after loss is not as painfull, as feeling of 'not taken profit" - actually it is 3 times more painful....

How it happened? Just 3 minutes prior USA news I moved my SL to BE (red circle zone). And then... just look :)

The good thing is I made great analysis... so the only thing is I should work on my psychical resilience :)