Here’s a continuation with a lighthearted twist:

There’s an elderly man and woman sitting in the sunroom of a retirement home.
The old man says to the woman,
“For five dollars, I’ll have lovemaking with you on that rocking chair over there. For ten dollars, we can move to the couch for some extra comfort.”

The woman, chuckling, responds,
“And what about twenty dollars?”

The old man grins, “Then we’ll go all out—I’ll even take my teeth out!”

This ending adds a playful twist while keeping the humor gentle and endearing.