Genesis 30:29-31

But he said to him, “You yourself know how I have served you and how your cattle have fared with me. For you had little before I came and it has increased to a multitude, and the LORD has blessed you wherever I turned. But now, when shall I provide for my own household also?” So he said, “What shall I give you?” And Jacob said, “You shall not give me anything. If you will do this one thing for me, I will again pasture and keep your flock