Love relations start and end.
You are blaming her for the failure of your life, but you are using a faulty method. Using drugs will destroy your life and might be the reason why she does not want to keep contact with you. You need to solve your problems by studying, get a job and find someone to love instead of using drugs. Go to a clinic which specializes in drug addiction treatment to get rid of your addiction.
Read more about love relations.
Read more about the treatment of addiction.