Paul McCartney Says He "Can't Imagine Ever Not" Performing

b_250_0_16777215_00_images_obgrabber_2013-07_b968c7616f.jpgMJ Kim/MPL Communications Ltd. -- Touring the world can be quite a grueling undertaking, so it wouldn't be surprising if the 71-year-old Paul McCartney was at least contemplating the possibility of retiring from doing live performances.  However, the former Beatles star says he has no intention calling it quits yet.

"I can't imagine ever not doing it," he tells Rolling Stone.  "It's what I do, and it's what I've always done, and I love it so much."

He admits that as he continues to age, he expects there to be "some kind of physical limitation," but adds that he hasn't found it.

Sir Paul recalls that after a recent concert, he thought to himself, "You know, you're not 25," then explained, "[but] my other side of my head's going, 'Yes, you are!  Get on with it!'"

He adds that if touring does start becoming physically taxing, "then I'll have a think about the question [of retiring].  'Til then, I'm ignoring it."

McCartney's next scheduled performance on his Out There World Tour will take place on August 9 as part of the Outside Lands Festival in San Francisco.

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