《黄帝内经·灵枢·卫气失常》
多脂的人，肌肉坚实、纹理致密的身热；纹理粗疏的身寒。
脂者，其肉坚，细理者热；粗理者寒。
For adipose fat people, the muscles are hard and firm, and the texture is dense, which means the body is hot; the texture is shallow, which means the body is cold.