Two couples had been friends for a long time and one evening the husbands got together and suggested that they swap partners for the night. When first suggesting this to their wives, at first one wife didn't think it was a good idea but the other wife had a chat and to her husbands surprise quickly rushed off with her new partner.
Later that night the first wife who had been hasitent sat up in bed said, "My God! That was just wonderful, but ....
