Although he was worried about Leslie becoming overheated, she assured him: "I""m a tough Texan now." Jett drove up in the convertible with Luz, and Bick suggested that Leslie be transported back to the ranch with him o prevent heat-stroke.The film""s screenplay (by director Billy Wilder and screenwriting partner Charles Brackett) was based on Charles R.After the bet was resolved between Pickering and Higgins, Eliza was treated with disregard and cold indifference by Higgins, and found that she couldn""t just return o her old way of life.The credit titles are interspersed with flashes of more semi-documentary, brownish-tinged pictures.The text of the major credits fade from white to blood red on the dark background.30""s hand-cranked phonographic music (Rudy Vallee""s popular love song of the periodDeep Night) is faintly heard - a haunting omen from another era." He labeled Miss Plimsoll, who regulated his medications, schedule of rest and nap-times, and bad habits, as a "blabbermouth.