Twelve days after my husband died, I caught my neighbor climbing over my fence with bags full of his apples. I thought she wanted the fruit—until she mentioned a secret from 27 years ago. My husband, Daniel, treated our apple trees like members of the family. Every September, he walked through the garden with a pair of pruning shears in his back pocket, inspecting branches and turning apples in his palm as if they might tell him when they were ready. “When it's ready, you won't have to fight for it.” That afternoon, our eight-year-old son, Ben, followed him from tree to tree with a basket. “Not that one,” Daniel said when Ben reached for a bright red apple. Ben frowned. “It looks ready.” “Looks can lie. Give it a little twist.” Ben tried again. The apple stayed firmly on the branch. “See?” Daniel smiled. “When it's ready, you won't have to fight for it.” She had known Daniel years before I met him. I wanted to hold on to afternoons like that. Da...