In the song "Pretty Thing" by Canned Heat, the lyrics express a deep longing and affection for a beautiful woman. The singer expresses a desire to buy her a wedding ring, walk her down the aisle, and spend the rest of his life with her. The song reflects the traditional Americana values of love, commitment, and marriage, and paints a romantic picture of a man deeply in love with a "pretty thing." The lyrics use classic expressions of love and longing, and evoke a sense of nostalgia for a simpler time when love was pure and uncomplicated. Overall, the song "Pretty Thing" captures the timeless sentiment of finding true love and wanting to spend a lifetime with the one you adore.