We are more satisfied with life as we age, thanks to this neurochemical

People whose brains release more of the neurochemical oxytocin are kinder to others and are more satisfied with their lives. This is the finding of new research, published in Frontiers in Behavioral Neuroscience, that also discovered that oxytocin release increases with age, showing why, on average, people are more caring as they get older.

source https://medicalxpress.com/news/2022-04-life-age-neurochemical.html