‘Adam picked a foxglove one day, up on Dartmoor,’ I said, ‘when he was little. It was really bad.’ I left a gap for my parents to chip in. ‘Don’t you remember?’ I asked, looking at each of them in turn. Dad took a sip of his pint. Mum sighed. Oh, it’s my imagination again. Right. I sat back in my chair. Clearly, they’d hoped that motherhood had put an end to all that.