[Their closing words in the scene foreshadow their marriage, their failed relationship, and their inability beyond a cursory look to focus more deeply upon their underlying problems.She had lost her own family including her young daughter, Sarah, before marrying Malcolm and attempting to establish a new family with him and Alexander." He falsely claimed: "I""m not that eager." When she said her temperature (or "body heat") was normally high or elevated (hence the film""s title), he quipped: "Maybe you need a tune-up," to which she answered - with a sexy double entendre:Don""t tell me.[Note: The location of the town is found on a posted letter addressed to Harold.However, there is no Wappinger Falls, New Jersey, only a Wappingers Falls, New York, in reality.]A postman delivers a letter - addressed to Mr.Harold Bissonette - to the front of a three-story apartment house on a suburban street.Amelia shrieks at Junior, 8 year-old son Norman Bissonette (Tommy Bupp) for skating around the house: "Stop that racket.