Your unhappiness doesn't help anyone else - and in fact, as I mentioned in another answer, happy people are more altruistically inclined. So happiness is not a selfish goal.
Gretchen RubinSuperstition is the irrational belief that an object or behavior has the power to influence an outcome, when there's no logical connection between them. Most of us aren't superstitious - but most of us are a 'littlestitious.'
Gretchen Rubin[Benjamin Franklin]identified thirteen virtues he wanted to cultivate--temperance, silence, order, resolution, frugality, industry, sincerity, justice, moderation, cleanliness, tranquility, chastity and humility--and made a chart with those virtues plotted against the days of the week. Each day, Franklin would score himself on whether he practiced those thirteen virtues.
Gretchen Rubin