i visited him several times in the summer of 1958 but i was only able to persuade him to talk at length on one occasion , and i must confess that the wine he drank , at my invitation , had a great deal to do with it i have of course shamelessly employed this method lunch , wine , and then more wine with many a witness of the mayfair family it seems to work particularly well in new orleans and during the summer i think i was a little too brash and insistent with llewellyn , but his information has proved invaluable .