Studies show that laughter boosts the immune system. After a few fits of laughter, the number of immune cells, the level of beta-endorphins and growth factors increased in study participants for several hours. In return, the stress hormones cortisol and adrenaline dropped.
President Lincoln was approached by a woman after a political speech… If you were my husband I would poison your tea. Lincoln replied…if you are my wife I’ll gladly drink it.