Do-do-do... She was my once in a lifetime Happy ending come true Oh...I guess I should have told her I thought she knew Do-do-do... She said I took her for granted that's the last thing I would do Whoa...I'll never understand it 'Cause I thought she knew I thought she knew My world revolved around her My love light burns for her alone But she couldn't see the flame Only myself to blame I should have known I should have known Do-do-do... A heart full of words left unspoken Now that we're through I'd sell my soul to have this silence broken Oh I thought she knew I thought she knew I thought she knew My world revolved around her My love light burns for her alone But she couldn't see the flame Only myself to blame I should have known I should have known She was my once in a lifetime Happy ending come true Whoa I guess I should of told her But I thought she knew I thought she knew I thought she knew Whoa.... Oh I thought that she knew Yeah oooooooo....