I'm a psyhcho?

Today was pretty freaking crazy and I acted like a total psycho.
My mom said I could go to the mall with my cousin so I got ready and everything and then the bitch tells me she's not taking me. So that, naturally, set me off and I freaked out. I kept hitting my head on things [now my head hurts wicked bad!] and threatening to do something crazy. They said that I couldn't go because I was "up so something." They think I was gonna get high, which, in all honesty, that was the plan. Lol. But anyways, so they said I couldn't go and I didn't like that so I screamed wicked loud for like ten minutes and scratched my arm. I kept hitting my head, yelling, scratching myself, slapping myself, etc. It was pretty crazy, and now I look back and I'm like "wow, Krista, was that really necessary?!" It wasn't. But I get tunnel vision when I'm angry and I have no idea what the fuck I'm doing.
Well, I'm okay now but I think my mom hates me. But I really don't care. I hate her too!
Oh, and I also was supposed to go to that drug group therapy thing and I didn't go.
My therapist and other people in my life will not be happy with me tomorrow.
Oops...