Basically I think your theory is:
The man has strong kidney functions --> he is more likely to be stable in his emotional needs, instead of looking for fresh stimulation.
But a man has strong kidney functions can have more sexual demands. That could be a problem too. :)
The man has strong kidney functions --> he is more likely to be stable in his emotional needs, instead of looking for fresh stimulation.
But a man has strong kidney functions can have more sexual demands. That could be a problem too. :)