At exactly 11:47 on Christmas Eve, my husband accidentally sent me a photograph of himself in a hotel bed with his mistress while I was home alone caring for our two feverish babies.

this about infidelity.”

I stared at the jewelry box.

“Why not?”

“Because infidelity broke your marriage.”

His voice stayed composed.

“Control is what may determine how safely you leave it.”

That was when everything truly changed.

Not when I saw Sierra.

Not when I discovered the necklace.

Not even when I called Mr. Harris.

It changed when I stopped wondering whether Cole loved me and began documenting his behavior.

Chapter 2: The emergency clause

For the next hour, I moved through my home as though investigating a stranger.

Perhaps I