What can parents do to help their child navigate arguably one of the most fraught periods of adolescence (and, let’s face it, one of the most fraught periods of parenting)? Hover nervously outside their bedroom door to ensure they’re getting to grips with trigonometry and not TikTok? Stock up on brain-boosting broccoli and turmeric? Spring a surprise quiz on them over their Weetabix? A less hands-on approach may be the answer.