I rly feel like crying n killing myself.....?

Ok so the guy that i rly like now has a gf. I have to get surgery, i broke my right wrist n i have a cast on so i cant even write. In every single fuken cl i have all F's, im in 7th grade, im 13 n i need to redo 7th grade n i got summer skool, a lunch detenchin, after skool detenchin n satorday detenchin! My dog recently ped away on a holiday. My sisters hardly talk to me, my parents hate me. I have 3 friends but i dont cry in front of them. My grandma died, my grandpas in the hospital, my aunt died. I have NOBODY TO TK TO. wat should i do???? :'(.