Proverbs 15:13 – A merry heart maketh a cheerful countenance: but by sorrow of the heart the spirit is broken.
Proverbs 15:15 – "All the days of the afflicted are evil: but he that is of a merry heart hath a continual feast."
Proverbs 17:22 – "A merry heart doeth good like a medicine: but a broken spirit drieth the bones."
Proverbs 14:10 – "The heart knoweth his own bitterness; and a stranger doth not intermeddle with his joy."