"Sandy Sends Her Best" is a song by Waylon Jennings that tells a story about a man who is writing a letter to his former lover, Sandy. Through the lyrics, he reveals that he has moved on and found love with someone new. The song begins with the narrator acknowledging that writing this letter is the hardest thing he has ever had to do. He confesses that while Sandy faithfully waited for him, he met someone new and fell in love with her. The narrator understands that Sandy may not want to hear this news, but he feels it's important for her to know. Despite the end of their relationship, the narrator reflects on the memories they shared and admits that there are many things about Sandy that he will remember for a long time. However, he emphasizes that his love for the new girl surpasses anything he felt for Sandy. The narrator expresses his hopes that Sandy will forgive him and understand that their separation happened for the best. He also mentions that, in terms of his past relationships, he loved Sandy the most until he found his current love. The letter ends with the narrator revealing that he and his new partner will be leaving, but before saying goodbye, Sandy's best wishes are sent to her. Overall, "Sandy Sends Her Best" is a heartfelt and bittersweet song about moving on from a past love and finding happiness with someone new. It explores the complexity of emotions that come with ending a relationship and the hope for forgiveness and well-wishes.