"As long as you're breathing, there's far more right than wrong with you no matter how ill or hopeless you feel." Jon Kabat-Zinn
If the only thing you do today is breathe, it's all good.
From the moment we're born, we breathe. It's instinctive. We don't learn how to breathe, it just happens. The trouble is, as we get older, we forget how to breathe. In fact, we aren't even consciously aware of our breathing.
So we don't focus our attention on our breathing.