Confidence After 40: A Quiet Revolution

Long-running studies that follow the same people for decades, not a single survey taken once, have found something that runs against almost everything culture tells women about age. Self-esteem doesn't peak in youth and slide downhill from there.
It rises steadily from adolescence through midlife, reaching its highest point somewhere around fifty to sixty, before it eventually declines much later. Nobody warned me about that particular plot twist.
I grew up assuming confidence was something you had most of at twenty and spent the rest of your life mourning the loss of. Instead I've found the opposite happening in my own body, in the way I hold a shoulder, the way a tattoo I got decades ago just sits there now as part of the whole picture instead of something I have to explain or defend.
There's a particular confidence that arrives after forty. It doesn't announce itself the way youth does.
It doesn't need to be looked at to be real. It's quieter, load bearing, the kind you stand on rather than perform.
The data backs up something that feels obvious once you're actually living inside it. Whatever we were told about ageing and confidence running in opposite directions was, for a very long stretch of most lives, simply not true.
None of this arrived as a single dramatic turning point. It built the way the research describes, slowly, across ordinary years nobody was watching closely enough to notice the shift happening in real time.
I believe my own back more than I believed it twenty years ago. Apparently the research agrees with me.