Sorry to keep you, but I’m just in the middle of a texting marathon with my 13-year-old. She wants to get the bus by herself. Did I top up her leap card? Can I check the timetable? What if it rains? What will she do if she gets off at the wrong stop? My 12-year-old wants to go with his pals to the basketball courts on his new bike that’s a little big for him. ...