"I looked around the room as if there was someone who might be listening--which was ridiculous--and said, 'Walter's away playing golf. He should be gone for a few hours.'

"Diane stood up and walked like a zombie toward the stairs. She knew the layout of the house from being there dozens of times, so she just marched up the stairs and headed for the master bedroom. I followed her.

"We undressed slowly and carefully, keeping our backs to each other. Maybe that was silly, but I for one hadn't been naked in front of a woman in about two decades! When I saw her unclothed, I just gasped. As I...