I read a story a few years ago and have tried to find it many times since then with no luck. Its about a divorced husband and wife. When married the husband always had a fantasy of swallowing, but wife was not interested. The man decides to treat the ex wife and their young daughter to a disney cruise, just the mother daughter. Upon returning, the ex wife decides to give a blow job and swallow as a thank you.
It was well written and I really liked how it was a 2 part story, narrated by both the husband and wife. If anyone knows of it please post link!