Happiness changes over the course of your life.
There is "scientific evidence that people get happier as they get older," according to a Bank of America Merrill Lynch report that analyzed Nielsen data. "While there are differing theories as to why this is, most agree that it is an acceptance of aging that promotes contentedness."
But the path to happiness doesn't increase with every birthday.
People report the lowest levels of well-being in their 50s. That's the age at which most folks begin seriously thinking about retirement plans, figuring out how to pay for their kids' college tuition, making plans for their aging parents, and maybe even running into health issues.
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