You don't have to be joined at the hip, in order to make your marriage endure.

MSN: See you in 2 weeks: When couples take separate vacations

Both sides have recently made public statements that they intend to be joined at the hip for a considerable period of time.

FORBES: Smoke Clears Around Clearwire

They can be joined at the hip, the back, the chest, or even the head, perhaps sharing one or more internal organs, each adding to the complexity of any operation to separate them, as the surgeon seeks to provide each with enough to support life.

BBC: Twin separations: A history of risk