premise: oh yeah um you're not supposed to i mean you're not supposed to eat them dead i mean well you eat them dead but  right because if if they're dead for too long you can always tell whenever they're cooked if they've been dead for a long time because their tail straightens out and you're not supposed to eat those because they're the bad for you
hypothesis: If you want them to taste good it's recommended that you store them for a long time after they've died before cooking them.