What is the ruling on a man using dissimulation (tawriya) with his wife by saying, "There is a woman who admires me," when he means his wife, with the aim of provoking her jealousy and discerning the extent of her love?

A husband should not tell his wife that a girl admires him, as this may cause problems leading to discord and separation, in accordance with the Almighty's saying: "And tell My servants to say that which is best. Indeed, Satan incites [discord] among them. Indeed, Satan is ever, to man, a clear enemy." Likewise, verbal expression of love should not be a condition for proving it, as actions can also indicate love, and if verbal expression is possible, that is preferable.