I last came overseas with my son when he was 12, three years ago. We went to the UK to reconnect with the cousins he hadn’t seen since he was 6, and his maternal grandmother, who used to live in France. We snuggled in the same guest beds, took tourist tours on open-top buses, and ate familiar foods from home, like fish and chips. We posed with wax loookalikes at Madame Tussaud’s, and got scared witless in the London Dungeon. We played cards, watched crap English TV, and bonded with relatives by telling silly Australian stories (I think they were just enjoying listening to our accents more than anything). Now he’s 15. Tall, growing his hair, hyper-aware of his daily outfits, and often attached to his smartphone (yup, just a regular teenager). Everything is different. He sets the agenda: I want to go to Chinatown. I want to go to Camden. I want to go second hand clothes shopping. I don’t want to go on a bus tour, I don’t want to do the wiping …