Why is there so many horrible people in the world?

see today i got bullied by a girl i hate so much at lunchtime today she stared at me awkwardly for fun but stupidly i retaliated she called me ugly but anyway shes ugly herself anyway with big rabbit teeth n looks like shes on drugs but stupidly she made me cry all lunchtime in the receptionist room all my make up was ruined so i had to take it off and its dented my confidence now that im scared of her thinking she,ll now say mean things to me everytime she see,s me ive completely done nothing to her!!! but thankfully im on my last year of school so yh im leavin in a few weeks n shes in year 10 how cocky is she bullying someone whos older than her i cant wait 2 leave school i wont have to see those nasty ppl anymore but when i walking home today coming bk from the station 2 boys who looked about ten were talking bout me n i knew they were cuz they were looking at me then talkin to eachother they were like 20 metres away from me n then they said well shouted " hey ugly kid!! whats ya name?" they said it twice laughing i ignored them n then i said GROW UP A**HOLE!!!" but they just laughed that really hurt me ive been bullied at school today n then i get bullied again on my way home by strangers :'( why do people have to be like this? and im not exactly ugly either im ok looking ive been told millions of times that im pretty n p.s i think the 2 boys said hey ugly kid im not sure i couldnt hear them that well but it sounded like they said that