Genesis 33:4

And Esau ran to meet him, and embraced him, and fell on his neck, and kissed him: and they wept.

Esau ran ... fell on his neck, and kissed him. What a sudden and surprising change! Whether the sight of the princely present and the profound homage of Jacob had produced this effect, or it proceeded from the impulsive character of Esau, the cherished hostility of 20 years in a moment disappeared; the weapons of war were laid aside, and the warmest tokens of mutual affection reciprocated between the brothers. But doubtless the efficient cause was the secret, subduing influence of grace (Proverbs 21:1) which converted Esau from an enemy into a friend. This is an exact description of a meeting between relations in the East, especially to a member of the family who has returned home after a long absence. They place their hands on his neck, kiss each cheek, and then lean their heads for some seconds, during their fond embrace, on each other's shoulders. It is their customary mode of testifying affection, and though it might not have been expected from Esau to Jacob, his receiving his brother with such a cordial greeting was in accordance with the natural kindness and generosity of his character.