All day, I walk with him like a frightened child. I make sure I move everywhere with him, from the kitchen into the dining room, then the living room, and so on.

And whenever he is not in the same space with me, I find myself imagining the trespasser coming for me.

After he is done preparing breakfast that morning, he invites me over as we eat at the table.

Suddenly, he surprises me by reaching across the table. "Give me your phone."

It comes as an instruction, not a request. ...