To understand why the Koozer family — Justin, Annie and 2-year-old Piper — left all their friends and church family in Ooltewah to move across the country to Denver, where they knew no one, try this: Start counting from zero all the way to 2,000. Or go walk two miles. Or watch the nightly news.

It should take you about 30 minutes.

During that time, imagine your heart cracking in half as you watch -- helplessly -- as your firstborn child shakes and convulses, a victim of her own private earthquake.

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