I went to visit my son and his wife a few weeks ago. After dinner one night Geoff went to bed because he wasn’t feeling well. Margo asked if I would like a drink. She doesn’t get to drink with anyone because Geoff is a non drinker. So I said, ‘Sure. ‘She fixed me a scotch on the rocks and a Pina Colada for herself. We sat in the living room and had small talk while drinking. After she had had a couple of them, she asked i...