I'm Such an Idiot Sometimes...

MY WEEKEND IN A NUTSHELL:

So my friend, let's call her K, hates me. I was being a stupid idiot, as always. The title of the post shouldn't even be "I'm Such an Idiot Sometimes", it should be, "I'm Such an Idiot All The Time". What happened was, we (Me, K, and some other friends) were chilling in the gym on Friday, and I said something completely stupid. She was talking about how nice my brother is, and even though I'm his sister (I naturally hate him), he is still unlikeable. He always tells me how ugly all my friends are, and how some of them look like elves, or a "fat" or whatever, so I wanted to tell K how it really is. I told her, and she flipped the shit on me. I couldn't even say anything I was so shameless. I really felt like cutting that night (and still do...) but I haven't yet. I really want to apologize on Monday but K is one of those people that either forget it the next day or hold a grudge against you for the rest of your life. Seeing that she declined to my Facebook invite for my 15th birthday party, she's probably going to hold a grudge against me for the rest of my life. What should I do? I'm so nervous that I feel sick!

Hope your weekends are going better than mine... If you're in the same boat I'm in, good luck on all your finals and Regents!

-Unknown Athena