If you understand the TCM , Are often drink cold water or ice water ？Chinese people never drink cold water because they trust the TCM.and they trust the TCM,can’t take a shower in the morning. Chinese people are usually take a shower in the evening, I understand that Americans like take a shower...

From the perspective of TCM showering in the morning will consume the body's energy.which will depletion of body Yang qi (阳气）.