Because red wine has the effect of softening blood vessels, nourishing yin and beautifying, but you must not be greedy.
As for drinking, there are two reasons for blushing. First, drinking too much, blood flow is accelerated, and upwelling leads to blushing. The second is the blush caused by alcohol being absorbed by the liver. But as long as you don't drink too much, you will be fine. In particular, the low alcohol concentration of red wine does more harm than good.
Tai Ji Chuan, a national intangible cultural heritage, is a traditional Chinese boxing which takes Taiji and Yin-Yang dialectics in China's tradition