It's like counciling a person that cuts themselves when they get depressed. Homosexual self-destructivness is a mental condition that can be cured, it's no different than a suicidal person bent on hurting themselves- homosexual behavior is a cry for help. It's meant to disgust others so that they pay attention to them.
Indeed. There are degrees of change with some completely leaving the homosexual lifestyle, some struggling but remaining abstinent and some seeing no change, and a number of different combinations.
There is a great article posted here with links to more information: Root Causes, Homosexual Consequences.