Genesis 29:14-18

Then Laban said to him, “You are my bone and my flesh.” And Jacob stayed with him a month. Then Laban said to Jacob, “Just because you are my relative, should you work for me for nothing? Tell me, what should your wages be?” Now Laban had two daughters; the name of the older was Leah, and the name of the younger was Rachel. Leah’s eyes were weak, but Rachel was beautiful in form and appearance. Jacob loved Rachel, so he said, “I will serve you [as a hired workman] for seven years [in return] for [the privilege of marrying] Rachel your younger daughter.”