A possible quality which you don't want to see in a primary care physician would be extreme empathy. Primary physicians which show extreme empathy can often neglect their actual job in favor of being empathic in their responses towards their clients.
Home Science education deals with all aspects of home and family management. It is both an art and science. It's an 'art' because it helps you manage your resources in a skilful manner, and it's a 'science' because it helps you improve your family life by offering you knowledge in the field.
A man would want to come back as a cow. That means he achieved the best life he could have had.