Read it through once

But I watched her, and tested her, and it was not so. Her eye was clear and sane, her ways were natural, her speech direct and to the point. No, there was nothing the matter with her mind; it was still the soundest in the village and the best. She went on thinking for others, planning for others, sacrificing herself for others, just as always before. She went on ministering to her sick and to her poor, and still stood ready to give the wayfarer her bed and content herself with the floor. There was a secret somewhere, but madness was not the key to it. This was plain.