Genesis 29:30

30 Jacob made love to Rachel also, and his love for Rachel was greater than his love for Leah. And he worked for Laban another seven years.

Read Genesis 29:30 Using Other Translations

And he went in also unto Rachel, and he loved also Rachel more than Leah, and served with him yet seven other years.
So Jacob went in to Rachel also, and he loved Rachel more than Leah, and served Laban for another seven years.
So Jacob slept with Rachel, too, and he loved her much more than Leah. He then stayed and worked for Laban the additional seven years.