How about, when one is privately not attracted to the other but marries out of obligation to "prove" they are doing their family's bidding (even if they got to chose their partner). My father had seven children with my mother, and the minute his parents died, got divorced and went gay 10 years.

#8 This happens in an episode of The Office US dumb@$$!

#8 To be fair, she tried to glue the award together afterwards.