Read the excerpt from The Strange Case of Dr. Jekyll and Mr. Hyde.. . . I became, in my own person, a creature eaten up and emptied by fever, languidly weak both in body and mind, and solely occupied by one thought: the horror of my other self.

The speaker says he has become weak in body and mind because he is consumed by thoughts of his “other self.” This shows the distress caused by hiding or living with a secret, so the best choice is “Living with secrets is painful.”

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