What's the matter with cold hands and feet, fear of cold, and cold buttocks?
This situation is a typical constitution of yang deficiency, because people with constitution of yang deficiency are afraid of cold. In particular, the back and abdomen are particularly afraid of cold. After the winter, the hands are colder than the elbows, and the feet are colder than the knees. People with yang-deficiency physique have a lot of nocturnal urination and usually urinate a lot. Before going to bed, before going out or before doing important things, they always feel like they want to go to the toilet. People with yang deficiency physique will often have diarrhea, especially in the morning when the day is unknown, abdominal pain and diarrhea are more likely to occur. People with yang-deficiency constitutions have insufficient primordial yang in the kidneys, and because the kidneys dominate reproduction and bones. Therefore, people with this constitution will have symptoms of decreased libido, frigidity, ...