Some of my favourite Austensplaining:
In the evening it was found, according to the predetermination of Mrs Grant and her sister, that after making up the whist table there would remain sufficient for a round game, and everybody being as perfectly complying and without a choice as on such occasions they always are, speculation was decided on almost as soon as whist; and Lady Bertram soon found herself in the critical situation of being applied to for her own choice between the games, and being required either to draw a card for whist or not. Luckily Sir Thomas was at hand.
"What shall I do, Sir Thomas? Whist and speculation; which will amuse me most?"
Sir Thomas, after a moment's thought, recommended speculation. He was a whist player himself, and perhaps might feel that it would not much amuse him to have her for a partner.
Moral: Bring the relation in question a copy of Mansfield Park.