Proverbs 17:22 KJV — A merry heart doeth good like a medicine: but a broken spirit drieth the bones.
Rejoice in the Lord always, and again I say rejoice. (Philippians 4:4)
Rejoice evermore. (1 Thessalonians 5:16)
Sing and make melody in your heart to the Lord. (Philippians 5:20)
Give thanks always for all things unto God. (Philippians 5:20)
That’s God’s prescription for you.
If you follow His prescription, it will do you (Spirit+Soul+Body) good.