The next week, a small box arrived on my porch with no return address. Inside was the knitted cap from months ago, clean and folded, and a Polaroid of a baby in a car seat, cheeks flushed, eyes bright. On the back, in Sarah’s messy hand: He outgrew it. Thought you might know another little head that needs warm. —S.

I tucked the photo into a bowl on my entry table and slid the cap into a bag of donations. The bowl filled slowly over the winter—photo booth strips from the office holiday party, a sprig of pine, a ticket stub from a movie Elizabeth and I hated and laughed through anyway. Proof that a life was being lived in that house. Proof that endings can be commas if you’re brave enough to keep writing.

Spring again. The city shook off its gray. Trees fuzzed with green. On a Sunday, I ran a charity 5K with Lila, who beat me by forty seconds and gloated so sweetly I bought her pancakes. Later, I sat on my porch with coffee and the sun on my face and an email draft open to Elizabeth titled “Summer road trip?”