The Skin of Others in your Game
Society likes saints and moral heroes to be celibate so they do not have family pressures and be forced into dilemmas of needing to compromise their sense of ethics to feed their children. The entire human race, something rather abstract, becomes their family. Some martyrs, such as Socrates, had young children (although he was in his seventies), and overcame the dilemma at their expense. Many can’t.
via https://medium.com/incerto/the-skin-of-others-in-your-game–3f51d8ccc3fb