You may not be cynical Bill, but you are certainly nimble at dodging a question! :0)

John ..there has been a huge study in Scandinavia concerning "gay Marriage and Civil Union.
The study involved "marriage"   take up rates and duration of relationships.
As "Gay Marriage" has been legal in Scandinavia since 1989 the study is extremely wide ranging and authoritative.

If interested please go back to the actual study figures, as there have been many papers filed online expressing these figures to reinforce a particular point of view.