[Verse] I should be sleeping now It's been a long day Don't know what I'm thinking about But I'm wide awake I'm used to coming home to you What am I supposed to do With myself [Prechorus] I'm like a ship that's going down The tide's pulling me under now [Chorus] My world is turning upside down The thought of you with someone else Is the kind of thing I can't dwell on Not if I wanna stay sane [Prechorus] You know It's funny how You think you know yourself Until your whole world comes crashing down [Chorus] My world is turning upside down The thought of you with someone else Is the kind of thing I can't dwell on Not if I wanna stay sane My world is turning upside down My world is turning upside down My world is turning upside down