What Is An Old Song? I Can't Remember It, It Goes, When Was The Last Time I Said. I Love You, I Find It Hard To Say But I Do?

When Was The Last Time I Said. I Need You, I've Kept It To Myself. Much Too Long. In All My Life, I've Never KnownAnyone like you. I love you. I love you. Only you. It has a Commodores type of slowness, any hits????