Life is ephemeral. Liberty is fickle. And without the first two, all the wealth in the world does not amount to much. But happiness is not dictated by external circumstances; it is guided by inner purpose. It is not luck; it is a choice.
The breath is always available as an object of attention, whether formally in meditation or informally as a way to recenter yourself. Track the breath in yourself, and know yourself more deeply. Track the breath in others, and know them more deeply.