I believe that many people find the English accent very charming and appealing, often making it difficult for American girls to resist. The allure of a distinctive and refined way of speaking can be quite captivating and adds to the romantic or sophisticated image associated with the accent.
Stephanie Perkins highlights this idea in her book Anna and the French Kiss, suggesting that there is a universal fascination with the English way of speaking. This quote emphasizes how powerful and attractive such accents can be, especially in romantic or alluring contexts.