Summary: 1. Stop breathing through your mouth 2. Use your nose 3. Improve your lung capacity 4. Slow down your breathing 5. Hold your breath (obviously not

Summary: 1. Stop breathing through your mouth 2. Use your nose 3. Improve your lung capacity 4. Slow down your breathing 5. Hold your breath (obviously not to dangerous levels). It sounds counter-intuitive, but he explains the reasoning.