Human societies train people to "keep a stiff upper lip" and to "be strong" by which they mean the person should endure negative emotions. This is bad advice. Several branches of science have been studying human thriving. The results, when compiled, point to the fact that people thrive when they feel emotionally good and suffer when they do not.
dear little baby of the folks I work for, I got a present for you .. my whole damn life! I'm handin' it over to you & your ma & pa. if you got no money to pay, I wanna stay anyhow, my pleasure is to wait on you forever. to hell with my children & hooray for you!.. you stayin' up all night fixin' up Character Parts for me! givin' 'em what you call dignity! dignity! you know what your dignity is? a black straw hat with a flower stickin' up in front, hands folded cross my stomach, sayin' the same damn fool things .. only nice & easy & proper!" --trouble in mind (1955)