system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is shower discouraged after massage?

Usually, massager says to avoid the cold entering our body. What's the explanation behind this?
gpt
* The point of massage is to loosen tight muscles and increase blood flow in the massaged areas. 
* When an area of the body feels cold, muscles contract and blood vessels in the area are automatically constricted to prevent energy loss.

So "cold entering your body" when showering would immediately end and reverse the effects of the massage.