The song "Ruby and Carlos" by James McMurtry is a story of a woman named Ruby who falls in love with a younger man, Carlos, and leaves her small town life behind. Despite warnings from her friends, she decides to leave Tennessee and start a new life with Carlos. The song follows their journey as Carlos packs up his drums and they hit the road. As time passes, Ruby and Carlos settle down in a sheep camp tent and have a passionate love life. However, as Ruby turns fifty, she realizes that her heart is closed and locked up tight. Meanwhile, Carlos is depicted as a strong and capable man who serves in the first Gulf War. The lyrics also touch upon the small town gossip that surrounds Ruby and Carlos' relationship. Some view it as scandalous due to the age difference between the two, while others envy their passion and dedication to each other. Overall, "Ruby and Carlos" is a melancholic yet powerful song about love, aging, and the choices we make in life.