Kindness and truth, i. e. true and real kindness; not in words only, but also in actions, as you have now done to your king, the Lord's anointed. I also will require you this kindness; so far am I from being offended with you for this kindness to my late enemy, that I will requite it.
Related Commentaries of 2 Samuel 2:6
2 Samuel 2:6
6 And now the LORD shew kindness and truth unto you: and I also will requite you this kindness, because ye have done this thing.