Not only will the story revolve around parents who divorce, the mother coming out and meeting another woman, and the son marrying a wife, but there should be the mother-in-law as tension. Also, a couple whose genders are unknown. "The one met another, as simple as that. They married in Ohio."
Other search phrases:
how they met, how my parents met, how we met, how my grandparents met
Jack Wu http://www.jpwu.info/index.html