Failing the search function, again.
Been trying to find a story again for a week or so without success, I'm not really sure how I'm failing since I'm usually computer literate...
Either way, first one is a Mother/Son story. Basically the mother hires an escort from a nearby campus fraternity on a recommendation from her friend. It turns out to be her son whom takes her out for dinner anyhow and ends up, predictably, doing the... deed.