To me this song is about a couple who falls into a relationship because they are young and bold but circumstances and life lead them away from being together. But what they needed was to be there for each other, despite things not working out as a relationship. Sometimes you need someone to lean on even if you and the person aren’t met to be permanently in each others lives. Some people come into your life to serve a purpose and may only be there temporarily but they will change your life forever. Blow a kiss because this is the end. Fire a gun because once shots are fired you can never go back . All we really needed was somebody to lean on.