"Of course I am." She runs her fingers through his hair, carefully smoothing the couple of tangles they meet. "You're going to teach him how to read and write. How to play pranks. You're good with children, my count. I've seen it. All the other kids are going to be jealous of how astral his dad is."

It's unclear when 'it' became unacceptable and she started saying 'he.' Somewhere along the way, she started to accept that this is going to happen. She doesn't notice it, to be honest, or notice that she is referring to a boy.