These factors include robust health, high energy levels, a good temperament, intelligence, a willingness to take the right, as opposed to the politically expedient, decision, a modicum of luck, a supportive spouse and charisma.
The key ingredients for success are robust health, high energy, a positive attitude, intelligence, a commitment to making ethical choices rather than those that are politically advantageous, some degree of luck, a supportive partner, and charisma.