The song was written to Rick Springfield's then-girlfriend Barbara (later his wife), whom he was worried was getting involved with other people while they were apart. Springfield said looking back on the song, "Back then, I was scared that she was screwing around because I was doing the same thing".[2]
^Leroy, Dan (13 July 2005). "Springfield's New "Day"". Archived from the original on 5 April 2010. Retrieved 2014-08-16.CS1 maint: BOT: original-url status unknown (link). Rolling Stone.