Work... SUCKS.

Friday I worked my first 4 hour shift. It went great and I really didn't mind it. Today was supposed to be my second 4 hour shift.
Today was my second day of working... And I hate it. I was supposed to work 4 - 8, but at 8 as I was getting ready to leave I was told that I had to stay till 11. I didn't think much of it (though I was bombing orders and getting things wrong and whatnot). So I did. At 11, I was told that as a minor I a) wasn't allowed to stay past 10 by law and that I could lose my job and also that according to the schedule I was only supposed to work until 8. So for 6 hours I had no breaks until the last half hour (10:30 - 11) and even then I was cleaning.

I hate that I'm stupid and naive and therefore people can jerk me around. I hate that I kept fucking everything up. I really *didn't* mind working there, but after tonight I'm going to find another job asap and quit this one as soon as I can.
As soon as I left I couldn't hold in my frustrated tears and by the time I got home to my room I couldn't hold it back. Crying felt good, though it hurt.

I don't know what to make of this. I'm angry, I'm so sad and upset that I just want to cry, I'm tired and want to sleep, and I want to get high so I can just calm down.
I hate working, and I hate when people treat me like shit. But where else can I get a job? I barely got this one, and I've only worked two days.
So I guess some thinking is in order to figure this out - because I refuse to be treated like shit.