He is :
One poet considered his wife the Beautiful Lady, dedicated her poems and worshiped her, but did not sleep with her, because true love does not need it. She left him two years later.

She is :
Why did he not sleep? I should have slept.

He is :
Because true love doesn’t need it, at least most people think so.

She is :
Well, maybe true love doesn’t need it, and a normal grandmother needs it.