Tyler left, and I went upstairs to my bedroom. After a brief hesitation, I locked the door behind me and lay down.

I cleared my mind of everything and stared at the ceiling, hoping I could fall asleep quickly.

But somehow, even though I was exhausted, I couldn’t sleep no matter how hard I tried. I woke up every twenty or thirty minutes, feeling more drained with each attempt.

Half-asleep, I heard my phone vibrating next to my ear.

I ...