Dear fellow thirtysomething mum,

I see you in the supermarket, I see you at the playground. I see you at the school drop-off, I see you on the train and in the kid-friendly restaurants. Sometimes you see me too, and we exchange a little smile, an eye-roll, an “I get it” moment. More often you don’t see me – you are chasing your toddler down the aisles, watching your pre-schooler like a hawk as she climbs higher than you’d like, admonishing your kid for pinching her brother, reaching for a wet wipe, mopping up a spilled drink.

A few days ago I was...