"Ninety Nine And One Half" is a song by blues musician Buddy Guy, originally released in 1967. The song is about a man who deeply desires the love and affection of his partner. He expresses that he needs not just a small fraction of their love but their whole heart and dedication. The repeated line "Ninety-nine and a half just won't do" emphasizes the singer's dissatisfaction with anything less than complete love and devotion. He declares that he wants a hundred percent commitment and cannot settle for anything less. The lyrics also touch on the need for starting a relationship on the right foot and avoiding misunderstandings or false expectations. The singer emphasizes the importance of love, affection, and passion in a relationship, and how vital it is to maintain it. Overall, "Ninety Nine And One Half" is a plea for wholehearted love and emphasizes the importance of fully investing oneself in a relationship. Buddy Guy delivers this message through his soulful vocals and electric guitar playing, which are characteristic of his blues style.