Whether it's possible or not, being a doctor, you take an oath. To care for your patient, not to kill them. You take an oath to do things that are proper in the medical world. Not to administer something outside of a hospital setting that's not even your area.
Mary Tyler Moore was a working woman whose story lines were not always about dating and men. They were about work friendships and relationships, which is what I feel my adult life has mostly been about.