I've only got one weakness:
Baby darling, that one is you.
I'll always keep my weakness,
Forever my whole life through.
You are the one,
You beautiful son of a gun,
My life would be done without you.
I've only got one weakness:
Oh, babe, baby darling, it's you!
[ Lyrics from: http://www.lyricsfreak.com/c/cab+calloway/weakness_20592155.html ]