Some one to talk to me so im not so alone?

im 15,im crying, i live in pennslyvania im failing school my parents disscussed my "issues" tonight without their knowledge i listened , they said they dont know whats wrong with me, i stay in my room all day everyday i dont have friends I dont have any one to talk to and it hurts..i think about it almost every night trying not to cry im not even comfortable with myself. I have this feeling that im not going to be around much longer im tired..im just so tired with eveything i want to go away from everything i hate this world the only thing i have is my little brother, hes 6 he doesnt know how much i love him. or how ****** up i am i smoke i smoke weed and ciggarets in my room. i just dont care about anything. i dont laugh anymore i dont have a sense of humor i dont have morales im ******* empty you dont know how this feel.im tired.....im scared and im tired i need some one any one i dont care just somebody who understands how i feel i dont care i dont care. i dont know how much longer this can go on. it wont go on much longer... it wont, it cant i cant handle it i dont hate i dont know any emotion other than sad idont know how this happen but il never be better my mom pops pills for her depression my dad smokes weed for his depression i talked to him on the phone im not sure if he was sober or not he never is but he cired the first time ive ever heard him cry ever he said son you dont think about death thats why i do what i do to forget i dont remember much after that i know this is stupid and messed up but its what i feel and think..... im sad