Friendships meant everything to me as a child. I worry today’s young people are being robbed of that | Rhiannon Lucy Cosslett

We sat in the park, laughing for hours, talking about nothing. Today’s childhoods are digital – and the result is an epidemic of loneliness I saw an old friend recently – the kind you’ve known for so long that you clear a whole day for them, as you might a family member. We laugh