But I believe that there are marriages where you can have your pool table and she can have her scrapbooking room or garden or whatever it is. But when everyone has what they want, it's not funny. There's no conflict.
It is impossible to imagine Goethe or Beethoven being good at billiards or golf.
Organisms are not billiard balls, propelled by simple and measurable external forces to predictable new positions on life's pool table. Sufficiently complex systems have greater richness. Organisms have a history that constrains their future in myriad, subtle ways.