Why do Smart Doctors Sink Money into Silly Investments?

Part III- Delayed gratification can catch up and bite you in the butt:

Most doctors have mastered the art of delayed gratification, which is the ability to make decisions that deny oneself an immediate or short-term benefit in order to garner a greater long-term benefit. Walter Mischel, during a set of experiments that he dubbed ‘the marshmallow test,’ was the first scientist to study delayed gratification. Young children …