When any emotional attachment breaks, it brings pain and suffering for those who are seriously involved. They may feel rejected, cheated or dumped, which brings sadness or depression. Depressive feelings in such condition can be considered normal and should settle down within 6 to 12 weeks. I think, your friend was seriously involved and she seems to be suffering from Depression.7 months time is quite long for coming out without professional help. Please take her to psychiatrist for counseling and treatment. This is the best way to help your friend.