As Ecclesiastes 3 says, there's a time for everything. I remember the excessive laughter of the Toronto Blessing in the 90s, where entire congregations would be collapsed on the floor, laughing so much that they couldn't get up. You'd think 6 years of Pentecostalism would have prepared me for that, but there was something in that excess that made the hairs on the back of my neck stand up.
Sometimes a joyful attitude π is a good thing. At other times, quiet and sobre reflectivity π₯Ί can be helpful. All things in moderation. π
But you're right that being happy is a good idea, SeaBreeze. The second half of the proverb you quote says: "but a broken spirit drieth the bones". In this context, a merry heart is better π.