It's impossible to make mistakes in life if you just say “Whooopsiee!!” gleefully after you've done whatever horrendous thing you've just done.  Just hit a pedestrian with your car?  Hang out the window and gayfully say “Whoooopsiee!!” whilst smiling, like its a big lark, everyone will think it's a hilarious gag and you can carry on with your life like nothing has happened.  

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