Read? The most overlooked trait of investing success I once asked a doctor: What’s the hardest part of your job? It wasn’t the stress or responsibility. It was so basic. “Getting my patients to do what I ask of them,” she said. I didn’t understand at first, but it made sense when she explained. “You have an appointment with a patient and you say, ‘I need you to get this lab done, see this specialist, pick up this medicine.’ And they come back a month later and they haven’t done any of it,” the doctor said. They either couldn’t afford it, or it was too intimidating, or they didn’t have time. She explained that becoming a better doctor meant spending more time managing her patients rather than managing those patients’ illnesses. There is a huge difference, she said, between an expert in medicine and an expert in healthcare......