Mate......the situation will get easier for ya. Everyone handles it differently. I was there not so long ago. As peeps say,...so long you have good friends then you will get there You no my feelings on the subject and ill say again, she treated you like shit and took the piss out of ya She'll soon realise what you did for her and hopefully realise before it goes to far, but just dont count on it
Try and keep yourself occupied and busy, get back into the old routine and hopefully itll get better for ya. You no where i am mate if ya need out