That their tangled problems end up being reduced to the title question is a measure of the play's bitter humor.

"And she let the animals out," said Con with bitter humor.

Something sad and kind looked out of them, to be replaced with bitter humor.

Russo recalled the exchange with a kind of bitter humor.

Besides, he thought with a flash of bitter humor, we'd have to trade them twenty to one just to hold even!

"Yes you do," she said with a pinched smile, a bitter humor of knowledge.

And he views with a touch of bitter humor his place in the public eye.

Many albinos have developed a bitter humor about their lot.

"He's a really nice guy, for a rapist," makes sense only as bitter humor.

The rest of the jokers picked up the bitter humor.