I take my pajamas into the bathroom to change and prepare for bed. After I do so, I notice a crack in the door. I position myself so my eye sees right through it, right at the bed where David is sitting against the tufted headboard, reading something on his laptop. The artificial light of the screen glows on his skin, and I hold my breath, leaning closer into the sliver of space, seeing he is bare from the waist up. My eyes widen and my brows tug together. When he mindlessly glances at the bathroom door, I spring away and make no sudden movements.

I look at myself in...