We now know that Richards calls Mick Jagger "Brenda" and "Your Majesty," writes that lover Anita Pallenberg "had no fun with his tiny todger. I know he's got an enormous pair of balls — but it doesn't quite fill the gap," and that Richards despises social climbing as much as he loves the blues. (Jerry Hall told BBC Radio's Graham Norton: "Mick is very well-endowed, and I should know because I was with him 23 years. Keith is just jealous, you know.")
Here's my story from Cannes on the doc Stones in Exile, which revealed their recording process, which was driven by Richards.