In the end, you will either give up trying to be good, or else become one of those people who, as they say, ‘live for others’ but always in a discontented, grumbling way—always wondering why the others do not notice it more and always making a martyr of yourself. And once you have become that you will be a far greater pest to anyone who has to live with you than you would have been if you had remained frankly selfish.