There was that night made of champagne, flickering candles, crisps and smoked salmon sandwiches, the last of the foie gras smothered onto big fat chunky pieces of baguette, an endless game of trivial pursuit where – as it turned out – the one person who refused to play (my father, apparently stuck to his mots croisés) became the one who knew all the answers, our joker as we called him whenever we got clueless about a question.