This song is about Kristinia's real-life plea for parental approval of her first love affair. She explained in publicity materials: "A parent telling their child not to fall in love is them saying 'I'm not going to put up with your heartache. Parents need to let their kids grow. Love is a beautiful thing."
Who writes a song about a name they found in a phone book? That's just one of the everyday things these guys find to sing about. Anything in their field of vision or general scope of knowledge is fair game. If you cross paths with them, so are you.