• The song is about Gwen Stefani's relationship with No Doubt bassist Tony Kanal. More specifically its about how it's 'cool' that they are still friends even though they are no longer romantically involved.
• The single was released on May 1st, 2005, certified gold by the RIAA, and peaked at #13 on the Billboard Hot 100 chart. It also topped the Canadian Singles chart from October 13th, 2005 to October 27th, 2005.
• Dallas Austin & Gwen Stefani share writing credits on the song. Dallas Austin produced the track for the album 'Love. Angel. Music. Baby.'
• You can hear this song in 2006 Adam Sandler comedy film 'Click'.
• The music video was directed by Sophie Muller and was filmed in Lake Como, Italy. Spanish actor Daniel Gonzalez is the male lead in the video.