Look for a story: young couple soon to be married

[Mansoor7203]

Hi,

I was reading this story a couple of months ago but don’t remember the name of the story.

It was about a young couple who were about to get married. Their friend says that before getting married they should try having sex with other people so that they know they want to get married to each other.

It seemed that the friend wanted to have sex with fiancé