Doing something with meaningless

I wonder why sometime people will change so fast... izit my problem ? im just trying to help... but at last what for i got ? arrange a performance also wrong ? hey... what i do i got ask before i do... now what for ? when did i say that i got power to don't allow someone to perform ? a week ago i have told to come for the rehearses... you last minute told me you can't ? what the fish you want ? I'm doing something without anything to help 1 okay ? and also these is not my problem... what now ? turn back and shoot me and said that is my fault huh ? I swear i'll never touch this kind of thing anymore...