21. He never enters a situation unprepared.
In addition to being on hand to supply snacks, Sheldon's also dependable for other necessary—and not-so necessary—sundries, like bug spray, hand sanitizer, and a survival. So, whether you're camping in a cabin or heading to the grocery store, this guy's middle name is "Semper Paratus."
(Okay, Sheldon's real middle name is Lee, but you get the point.)
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