The song "Promise Me" by Will Young is about a person who is tired of waiting for love and promises that never come through. The lyrics describe a feeling of being let down and longing for someone to make a true commitment. The song talks about the frustration of constantly feeling like you're the one putting in all the effort and not getting anything in return. It's about wanting reassurance and genuine promises from a partner before being ready to love again. Overall, the song conveys a sense of vulnerability and the importance of trust and honesty in a relationship.