To control the breathing is to control the mind. With different patterns of breathing, you can fall in love, you can hate someone, you can feel the whole spectrum of feelings just by changing your breathing.
Sentiment: POSITIVE
Despite what you might guess, when monitoring your breathing, your body doesn't care whether you're inhaling enough oxygen. It cares only whether you're expelling enough carbon dioxide - that's the gas that sets off the panic button when you're suffocating.