he 'd look back and know they 'd spent hours together but would only have clear memories of a few passing moments : her lips parting to eat a polite bite of aubergine , her laughter at the bread-hungry geese who disappointedly followed them around a park , the bemused way she took his hand when he looked uneasy at being surrounded by teenagers in a queue at the cinema ( to see a film which vanished like vapours in his memory ) .