My dog charged toward my two-year-old daughter, barking with his teeth bared… I thought he had turned on her—until I spotted one tiny detail behind her.

I had ever heard. I thought of every warning people give parents about animals, even trusted ones. My legs felt unsteady, but I forced myself forward.

“Rex! Away!” I cried.

He did not listen.

That frightened me most.

Rex always listened. If I called him, he came. If I told him to sit, he sat. If Mila cried, he lowered his head and waited beside her. But continue reading …