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Imagine… your heart just said. Nah, I’m skipping my break today. So your heart normally beats about 100,000 times a day… but it also takes tiny micro-naps between beats. Now imagine… NO breaks. Just boom boom boom boom like it’s late for a meeting it doesn’t even like. That would be like YOU sprinting. Forever. no water. no snacks. no ‘just 5 minutes more’… Without those rests, your heart muscle would get exhausted. It needs that split-second pause to refill with blood and oxygen.