A story in the Couples Sharing in the Faith Universe
Gary and Charie Holbrook meet in college get married and, after a year, move to a new community. At church they meet a couple and become friends. At dinner they talk about a relatively new concept that has been taking place in the USA, wife swapping. If the story appeals to you can find the series under Couples Sharing in the Faith
A husband pushes his wife to tell him her wildest sexual fantasy. What he finds is a side of his wife he never knew; her desire to be taken by a large man with a large cock!
RAF girl Rachel Sandeman gets herself in a bit of trouble after calling her Sergeant a dick head. Flying officer Cousins overhears this and gives her an ultimatum she will never forget