If you are a mother, you are likely to scroll through your pictures at night – just after you put your kids to bed. And, if you’re anything like me, you don’t just stop at today’s images.

Recently, I was engaged in this very activity when the thought struck me: I don’t remember my son being that young. The curve of his face, the position of his arms – they were almost foreign to me.

It was a reminder of an increasingly painful truth.