Writer's Block: On the Bus

[Error: unknown template qotd]Well, actually, on the tube. I think it was the Northern Line, many years ago.

One evening, we were heading home across the city and a couple were sitting opposite us, relaxing comfortably — well, they were sprawled and reclining across several seats. And then the woman took her partner's hand and slowly, very slowly, began to suck his fingers... Everyone else in the carriage was watching, breath bated, while pretending not to. Which she clearly knew and was enjoying.