0 1 5 You repeatedly bang your head on the wall.~ $n repeatedly bangs $s head into the wall.~ You are completely frustrated with $M and bang your head in exasperation.~ $n is completely frustrated with $N and bangs $s head in exasperation.~ $n is completely frustrated with you and bangs $s head in exasperation.~ Wow...take it easy there bud, they left.~ You feel like smashing someone's head into a brick wall.~ $n feels like smashing someone's head into a brick wall.~