Hen hao (very good)...
Actually there is a perfectly logical explaination for this:
The body has these five elements:
This person must have a problem with their liver.
Within the five elements the liver belongs to the wood.
When the liver gets sick rubbing wood will treat it naturally, according to traditional Chinese medicine.
Ideally the qi (vital energy) from a pine tree.
The kidney belongs to the water. So if you have kidney problems...
For a good Chinese massage in the park hook up with a knotty tree. Nice for itches in
difficult to reach places. And the great thing about doing this in the park in the morning - no one thinks its strange! In fact you may be able to join a group.
So scratch that itch.
Jin - gold
Mu - wood
Shui - water
Huo - fire
Tu - soil