How Long Could a Person Survive in a Target?

"I've often wondered how long I could live in a Target," Lewis says. "There's so much food and most of the food it doesn't expire." A single supermarket could keep one person live for 55 years or 63 years if you're happy to eat all the canned dog food and in cat food as well. But he adds that by that stage, 'If I ever was in this post-apocalyptic thought experiment scenario I would probably head straight to the alcohol aisle'