"Positively Crazy" by John Mellencamp is a song about nostalgia and reflecting on a past relationship. The lyrics depict the memories of a couple who used to live in the city, riding horses and enjoying their time together. However, the city and their relationship have changed over time. The chorus emphasizes the idea that youth is often regarded as more beautiful, and the marmalade bed symbolizes the comfort and happiness they shared. Despite their efforts to stay together, the relationship couldn't withstand the changes in their lives. The song evokes a sense of longing for the good times they had, reminiscing about their reckless yet kind-hearted nature. Mellencamp suggests that in a perfect world, their relationship could have thrived. However, they have now become "positively crazy," perhaps implying that they have become different people or are struggling to cope with the changes. Overall, the song portrays the bittersweet nature of past memories and the wistfulness that comes with the passage of time.