Dwayne 'The Rock' Johnson shares shredded Instagram selfie: 'I’ve always been crazy, but it’s kept me from going insane' - Yahoo Entertainment

The Rock used social media to share the reason behind his double workout day.

Dwayne Johnson posted a ripped gym selfie on Instagram. (Photo: ANGELA WEISS/AFP via Getty Images) What motivates Dwayne Johnson to finish his workouts? The actor says its because his ancestors are … [+2278 chars]

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