can anybody help me?

Heya, im 17years old. i suffer from trich. iva had this condition since i was ten years old. i covered it up for six and a half years from my family and friends, and covered it up with stories and excuses! in 2008, my sister passed away, and a year after in 2009, i decided i needed help. in this, i confessed to a nurse as i was being admited and refered. they helped me through it, i was away from home, so on! i faught it so hard, i was so deteirmined to win the battle and i did, and got to take off my hairpeice, but 2months later, i lost to it again in august 2008. its now febuary 2010 and i am as misberile and ever, hairpeice back on, pulling evry night for hours on end. iv ruined myself, im 17 and have my debs soon. i'v tryed everything to stop. i found this websie, and i would really appricite if anyone out there could give me some tips to stop! ive had enough! please do get back to me if anyone could help! xx