What is different between happy and unhappy couples is the way they fight.

The relationship between the two men took on the quality of a long-married unhappy couple that need one another.

I'm sure there are some unhappy couples who choose to try and fake a happy home for the sake of the children and many succeed.

When the unhappy couple heard her pacing, they began to fancy that she was eavesdropping.

He's found that when discussing a problem, an unhappy couple starts out by criticizing a partner's behavior.

Nancy Astor called them the unhappiest couple she'd ever met who weren't married.

Atta and Jarrah were referred to as an unhappy couple.

He also tries to sell a house to an unhappy couple, the Markhams.

It was written in response to comments that Ayckbourn only ever wrote about unhappy couples.

They're more often like unhappy couples: sharing space but not speaking to each other.