[House is momentarily stymied on that one. A secret is the first thing to come to mind, just with the general way that riddle is set up, but it doesn't fit. You can't see a secret. Virginity is off the table for the same reason. It's also a bit more risque than any of the others and probably not on Natasha's mind for the moment.
Something never seen before and no one will ever see again. his mind turns to boxes. Pandora's box? There's something special to do with how you open it, though. A locked door? But that's too simple and it doesn't solve the problem of no one seeing it again.
Something that breaks when you open it? Or stops being what it was. Clams? Pearls? But they'll make another one. Something like that. A mussel? Food.]
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Something never seen before and no one will ever see again. his mind turns to boxes. Pandora's box? There's something special to do with how you open it, though. A locked door? But that's too simple and it doesn't solve the problem of no one seeing it again.
Something that breaks when you open it? Or stops being what it was. Clams? Pearls? But they'll make another one. Something like that. A mussel? Food.]
Can you eat it?