Lauren Bacall in the script was originally much smaller, but during filming, her part was revised multiple times to extend it into the lead part that it became in the released film. Once released, "To Have and Have Not" catapulted Bacall into instant stardom, and her performance became the cornerstone of her star image, the impact of which extended into popular culture at large, even influencing fashion, as well as film-makers and other actors. Warner Bros. launched an extensive marketing campaign to promote the picture and to establish Bacall as a movie star. As part of the public relations push, Bacall made
That's What Love Is Made Of several famous nursery rhymes in this song; in fact, the song's title itself is a variation of the rhyme "What Are Little Girls/Little Boys Made Of?" and parts of this famous rhyme were incorporated into the lyrics of this song, which, like many Miracles songs, starts with the guitar licks of Miracles member Marv Tarplin. Robinson, as the lead singer, serves as the song's narrator: ""You take Sugar and Spice...Everything Nice... and you've got a little girl, yeah, yeah...You take Snakes and Snails...Puppy Dog's tails...and you've got a little boy, yeah, yeah...That's what Love Is Made Of..." " The song