I cut myself and i need help?

ok so i basically hate life i told one person i cut myself and they stopped talking to me.im not going to tell my parents because they already think im crazy as is but i just want some advice and im not seeking attention i hate myself i hate my life and when i cut it makes it all go away and lessens the pain inside i know i need to stop because im all ready addicted also how do you hide the cuts my brother likes to wrestle with me and he grabbed my wrist that was a close call also my best friend died and i really don't have any other friends and trust me the ones i do have if they knew well they wouldn't be there for me ive never really tried suicide but i thought about it please don't be mean