Happiness comes from trusting in the LORD.

He who heeds the word wisely will find good, And whoever trusts in the Lord, happy is he. The wise in heart will be called prudent, And sweetness of the lips increases learning.
Proverbs 16:20-21/NKJV

Now David said, “Is there still anyone who is left of the house of Saul, that I may show him kindness for Jonathan’s sake?” And there was a servant of the house of Saul whose name was  Ziba. So when they had called him to David, the king said to him, “ Are you Ziba?” He said, “At your service!” Then the king said, “ Is there not still someone of the house of Saul, to whom I may show the kindness of God?” And Ziba said to the king, “There is still a son of Jonathan who is  lame in his feet.” Now when Mephibosheth the son of Jonathan, the son of Saul, had come to David, he fell on his face and prostrated himself. Then David said, “Mephibosheth?” And he answered, “Here is your servant!” So David said to him, “Do not fear, for I will surely show you kindness for Jonathan your father’s sake, and will restore to you all the land of Saul your grandfather; and you shall eat bread at my table continually.” Then he bowed himself, and said, “What is your servant, that you should look upon such a dead dog as I?” And the king called to Ziba, Saul’s servant, and said to him, “I have “As for Mephibosheth,” said the king, “he shall eat at my table like one of the king’s sons.” Mephibosheth had a young son whose name was Micha. And all who dwelt in the house of Ziba were servants of Mephibosheth. So Mephibosheth dwelt in Jerusalem, for he ate continually at the king’s table. And he was lame in both his feet.
2 Samuel 9:1-3,6-13/NKJV