Grace Chatto explained the song's meaning to Radio.com
. "It's a love song about being completely content with the person that you're with," she said. "We usually write songs by writing all the instrumental parts first and only when that's finished start on the vocal."
"When Jack wrote the original line, we didn't know it was going to be a love song at that point," Chatto added, "and then it developed into this really happy, sentimental thing."