Emma, your infatuation about that girl blinds you.
The impertinence of the Eltons, which for a few minutes had threatened to ruin the rest of her evening, had been the occasion of some of its highest satisfactions; and she looked forward to another happy result—the cure of Harriet’s infatuation.
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He is infatuated with her.
Whatever was happening with us, it was more than just an infatuation.