My sister (whos 12) got into an argument at school today, some girl was pushing her, so my sister slapped her round the face. so the usual after school riot started, big gang of kids follow my sister up to my car, i get out to see what the fudge is going on. some teacher comes over and explains it to me, while this girl and her mates are shouting abuse at my sister and saying there gonna beat her up. the gang splits up and i get in car with my sister and her friend. were driving down the road, and my sister says "there she is", so i pull up and get out, and say nice and calmly "can you hear me? good, touch my sister and i'll break your <insert you know what her> legs" get in my car and drive off. am i a mean bully who picks on small children or a good big brother