In 1.1, we find Benvolio and Romeo talking about love and women. Romeo still fancies himself in love with Rosalin. In characteristically over-the-top fashion, he goes overboard in his pining for she who has scorned him, lamenting: "She hath forsworn to love,/and in that vow/Do I live dead, that live to tell it now" (1.2.221-222)
Benvolio, taking a much more..ummm...*liberal* view of love advises: "Be rul'd by me, forget to think of her./.../Examine other beauties" (1.2.223,226).
In 1.2, Capulet professes to love his daughter, but in typical (yet changing) fashion of the times, he sets Juliet up for marriage with Paris. She agrees, he says "within her scope of choice" (1.2.18). Those words are key, because it is not just anyone Juliet may marry, but a select group her father has approved. And certainly not the son of an ancient enemy! This feature of their relationship will prove problematic, to say the least.