About twenty-twenty five years ago my mum watched a movie that had a particular scene she remembers. A woman was sleeping with her lover when her husband came home. Lover jumps into the closet while wearing a luminous condom. Husband fucks the wife, finds the lover in the closet and they fight. Pretty much all you see is two glowing cocks, one read, one green. She thinks possibly John Ritter was one of the actors but IMDB so far hasn't helped.