He can't really cope with the physical demands of caring for his wife, though he does his very good best before he's tested beyond endurance.

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And you never found out what what was happening in that far galaxy, and what his triumph of a kind was, and why he was tried beyond endurance.

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The whole endeavor takes just 4 minutes and has been shown in multiple research trials to significantly boost endurance, even beyond steady state cardio totaling 30 minutes or more.

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