One possible indicator of how many couples part ways without making it legal comes from a study conducted by Esther Rothblum, a professor of women's studies at San Diego State University, and colleagues.

WSJ: Gay Divorce Rate Proves Hard to Measure

They also warn the numbers may be slippery because it's hard to estimate how many gay couples would marry here if the ban were overturned.

WSJ: Cost of California Gay-Marriage Ban Unclear

In 2011, the company set up a joint venture in China to bring its expertise in training wedding planners to the country, where many young couples want help figuring out how to best spend the thousands of dollars they have been given to celebrate their nuptials.

FORBES: Wedding Bells, And Cash Registers, Ring In China

But many same-sex couples are facing a new dilemma: how do you tie the knot?

FORBES: The Next Same-Sex Marriage Battle: Who Will Officiate?