What is the happiest attitude a person can walk about in the world with?
That every other person and every other creature needs to be loved and deserves to be loved.
That, I suppose, is how Jesus walked about and other saintly and benevolent souls who spread warmth and comfort by their radiant presence.
Love, care, compassion—that is the attitude.
Not fear. Not envy. Not malice. Not indifference. Not neglect.
But tidings of great joy.