Cab Calloway — Weakness lyrics

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.lyricsty.com/cab-calloway-weakness-lyrics.html ]