Zoos are becoming facsimiles - or perhaps caricatures - of how animals once were in their natural habitat. If the right policies toward nature were pursued, we would need no zoos at all.
It's hard for women who make a lot of money and make decisions all day long, then they have to come home and be 'Stupid Sally.' Men need respect, and they need to know that they can lead in the relationship, so even if they don't make the most money they need to be able to call the shots.
Using lots of fresh foods, fruits and vegetables, helps to keep the menu buoyant - I don't know if that's the right word, but it keeps a balance of freshness and health.