Your twenties are the age of proving yourself. But this is a self-defeating goal: a person worthy of the respect and success you yearn for doesn't need them as badly as you do.
Your thirties expand and narrow your world: expansion into parenting (for many) and to richer relationships, if you can survive them, with spouses. But now you know your limits, and the sky is no longer it. There's a contraction of options, but the few options you have grow deeper.
By forty you know you have nothing to prove or, contrariwise, you've proven just how limited you are. You've made your bed and you're lying in it. For many this is a crisis and they struggle to break free, but there's no escaping it: you're older. You feel your own age in your mind and body (knees? back? eyes?) truly for the first time. But once you get over the shock, you realize that you're still young enough. You also realize, if you've stayed at the hard work of marriage and parenting and building skills and opportunities for a career, that you've got a lot to be confident about. You're humbler, but more powerful and capable, than ever.
Your thirties expand and narrow your world: expansion into parenting (for many) and to richer relationships, if you can survive them, with spouses. But now you know your limits, and the sky is no longer it. There's a contraction of options, but the few options you have grow deeper.
By forty you know you have nothing to prove or, contrariwise, you've proven just how limited you are. You've made your bed and you're lying in it. For many this is a crisis and they struggle to break free, but there's no escaping it: you're older. You feel your own age in your mind and body (knees? back? eyes?) truly for the first time. But once you get over the shock, you realize that you're still young enough. You also realize, if you've stayed at the hard work of marriage and parenting and building skills and opportunities for a career, that you've got a lot to be confident about. You're humbler, but more powerful and capable, than ever.
I haven't reached 50 yet so I have to stop there.