Why Does Everyone Recommend That I Eat Myself?

"The book says walnuts are good for the brain. Is that really true?" the scholar asked, setting down the book in his hands. "It is!" The walnut spirit's eyes widened. He straightened up, thumped his chest, and promised. "Then you should eat yourself and give your brain a boost." The scholar reached out, patted the little walnut spirit on the head, and said with a smile.