"It was the month after the accident happened with my brother Paul Walker and it was the first time I had worked since. Although it was challenging, just to get back to work was therapeutic — especially as Groot. There was an innocence about the character that was just refreshing — and it may have been more challenging under other circumstances, but at that time, it was very therapeutic."

- Vin Diesel shares how voicing the role of Groot in Guardians of the Galaxy helped him get over the death of his friend and Fast & Furious co-star Paul Walker.

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