 Then they discover that they appear to be engaged to the same man, and they become sworn enemies briefly. From the moment I saw you, I distrusted you. I felt that you were false and deceitful. I am never deceived in such matters. My first impressions of people are invariably right. Then they each discover that they've been deceived about who they are engaged to. They become not only fast friends, but very firm allies. There's a wonderful line in The Importance of Being Earnest. It's Algernon's line, and he's speaking of Cecily and Gwendolyn.