Rebel Rebel (2001)

Dolores has no reason to live. Her marriage is a bust, and her life revolves around pills and liquor. When her 16 year old second cousin, Maze arrives on her doorstep, Dolores gives up her suicide attempt. For now. But Maze has her own set of self destructive problems. The two women bond over shared family problems, and forge a taboo relationship that saves both of their lives.