well dude you are not dying today or tomorrow and its all part of the process, try to relax a little...keep posting here we are always willing to listen and respond, treat yourself to something that you would really enjoy, grab some friends for support. Its hard for you becasue you really loved her and she obviously did not deserve your love.
There is no ammount of time that it takes to get over someone it can feel like a life time. I hope you feel better soon.
It takes a minute to have a crush on someone, an hour to like someone, a day to love someone - but it takes a lifetime to forget someone"
People change and forget to tell each other.