sentences:  It was co-written and produced by Walker and released as the album's second single on 19 June 2007.Avril Lavigne has said the song "is about being with someone you love, and you have to say goodbye, and all the little things you miss about them".The song may have been inspired by Lavigne's then-husband, Deryck Whibley, although in an interview in Northern Ireland with "The Belfast Telegraph" she did not confirm this.