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 RubinWe must exercise ourselves in the things which bring happiness, since, if that be present, we have everything, and, if that be absent, all our actions are directed toward attaining it.
Gretchen RubinHappy people make people happy, but I canโt make someone be happy, and no one else can make me happy.
Gretchen RubinHe is my fate. He's my soul mate. He pervades my whole existence. So, of course, I often ignore him.
Gretchen Rubin