They part, not to meet again for years, and never do resume their passionate affair.

They start a passionate affair and have sexual relations on a regular basis.

Two writers who once had a passionate affair meet years later.

They had a passionate affair from which she became pregnant.

For a year they have a passionate affair and everything is great.

On the night of their first meeting, she and B begin a passionate affair.

Their meeting immediately led to a passionate affair, and soon after to marriage.

This leads to a passionate secret affair between the two of them.

Of course, from your angle a brief, passionate little affair with no future might be just what you'd like.

Their days are the same as they always were, but at night the couple conduct a wildly passionate affair.