He pretends that to be an act of his natural affection and kindness which was indeed the effect of his fear.
Related Commentaries of Genesis 31:43
Genesis 31:43
43 And Laban answered and said unto Jacob, These daughters are my daughters, and these children are my children, and these cattle are my cattle, and all that thou seest is mine: and what can I do this day unto these my daughters, or unto their children which they have born?