Written:Eddie Floyd/Steve Cropper I don't want to lose this good thing that I've got. If I do, I would surely, surely lose a lot, 'Cause your love is better than any love I know.  It's like thunder, lightning,  The way you love me is frightening.  Think I'd better knock on wood, baby. I'm not superstitious about you, I can't take no chance. You got me spinning, baby. Baby, I'm in a trance, 'Cause your love is better than any love I know.  Chorus Ain't no secret, that woman is my loving cup. She sees to it that I get it up. Just one touch from her, you know can do so much.  Chorus Think I better knock, knock, knock on wood. Think I better knock, knock, knock on wood.