In his autobiography, "Life", Richards admits the singer is often jealous of his other pals, which makes it "very difficult to be his friend". "I've no doubt in retrospect that Mick was very jealous of me having other male friends," aceshowbiz.com quoted him as saying in his book.
"Maybe his exclusivity is bound up with his own siege mentality. Or maybe he thinks he is trying to protect me: 'What does that a**hole want from Keith?' But quite honestly I can't put my finger on it. Because I love the man dearly; I'm still his mate. But he makes it very difficult to be his friend," he added.