unpaid leave...

i very angry about n unfair in my job now... tat AM is suck.. tat day i check da time table c who ca change off day wif me.. when i ask them, they said cannot change wif me cz they got their stuff to do... than i decide to go ask for unpaid leave!! but when i ask.. tat AM is talking a way lik very arrogant.... tat AM said if he let take da unpaid leave than when i back from others day, all da staff at outside will start gossip again... and asking me 'did i can accept all da gossip their made'?? wat the hell of tis question man... if tat fucking AM dun told anybody about my leave than they wont noe anymore.. n he said me will get trouble n difficult to stay in da company anyway.. tat all is suck.... i ady ask for resign ady.. but da boss wont let me go!!! so i make my own final decision on tat day.. when i meet up wif boss, i told tat i wanna quit tis job.. but boss still wont let me!!! so wat can i do????? i jz hate tat injuctice AM!!!