Tips for founders: suffer well.
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It helps to have superhuman energy and stamina. If you are not blessed with godlike genetics, then make it a point to get into the best shape possible. There will be jet lag, mental fatigue, bouts of hard partying, loneliness, pointless meetings, major setbacks, family drama, issues with the Significant Other you rarely see, dark nights of the soul, people who bore and annoy you, little sleep, less sleep than that. Keep your body sharp to keep your mind sharp. It pays off.
Learn to handle a level of stress that would break most people.
Answer – Quora