American Psychological Association Oct 30 2025 Sharing happy moments with a partner may be good for older people's health, lowering the level of the stress hormone cortisol in their bodies, according to research published by the American Psychological Association. We know from lots of research that positive emotions like happiness, joy, love and excitement are good for our health -- they've even been linked to living longer. But most of this research looks at people's emotions as if they happen