Somewhere along the way, you started doing the math. The years already spent, the years that might be left, whether there is enough runway to make a new direction worth the cost of admitting the old one did not work. Starting over at 40, or 50, or in the middle of whatever you built, does not feel like freedom. It feels like a debt you have to justify.
Three thinkers on the Consilium roster would not agree on what "too late" even means, let alone whether it applies to you.
Camus: stop waiting for the ending to justify the middle
Albert Camus would say the question is built on a mistake: the idea that a life needs to resolve into something before the effort spent on it counts. He spent his work insisting that the universe will not hand you a verdict on whether your choices were worth it, and that waiting for one is how people spend decades paralyzed. Sisyphus never gets the boulder to stay at the top. He pushes anyway.
Applied to you, this means the fear that it is "too late" assumes there is a deadline after which new effort becomes meaningless. Camus would ask why you believe that. The struggle of starting over does not need to end in triumph to matter. It needs you to be honest that you are choosing it, rather than sleepwalking through the alternative.
One must imagine Sisyphus happy.
He would not promise the new path pays off. He would ask whether you can want it anyway, without needing the ending to prove you right.
Angelou: what was done to you is not the same as what you do next
Maya Angelou would push past the abstraction and go straight at the years themselves. She rebuilt her life more than once, from conditions far harder than a stalled career or a marriage gone quiet, and refused to let any single chapter be read as the whole verdict on her. Her insistence was practical, not inspirational: pain is real, and it does not disqualify you from a different future.
She would separate what happened to you from what you do with it, and she would not let you use the first to excuse skipping the second. The years you spent in the wrong life are not wasted if you are willing to use what they taught you. They are only wasted if you let them convince you there is nothing left to build.
You may not control all the events that happen to you, but you can decide not to be reduced by them.
Her question is not whether you have suffered enough setbacks to earn a reinvention. It is what you intend to do with what already happened to you.
Erikson: check whether this is a malfunction or a schedule
Erik Erikson would slow both of them down. He mapped identity as a sequence of stages, each with its own crisis to work through, and he would point out that what you are calling a personal failure might simply be the crisis due for your stage of life arriving on time. Midlife, in his framework, is built around a real tension between generativity and stagnation. The unrest is not a bug.
He would want you to distinguish between two very different situations that feel identical from the inside: a life that has genuinely gone wrong and needs correcting, and a life stage doing exactly what it is supposed to do by unsettling you. Mistaking the second for the first leads to reinvention as a form of running. Mistaking the first for the second leads to sitting still and calling it maturity.
The lag in ego development... is intentionally prolonged in man.
His question is not whether you should change. It is whether you can tell the difference between a crisis that means something is broken and one that means something is due.
Where they disagree
Camus says the ending was never going to validate you anyway, so stop withholding the attempt until you feel certain it will work.
Angelou says the past is real and it does not get erased, but it also does not get the final word unless you hand it one.
Erikson says slow down before either of you act, because the discomfort itself might be scheduled, not diagnostic, and treating it as a crisis to solve can be its own mistake.
The friction is real. Camus would tell Erikson that waiting to correctly diagnose the crisis is just another way of stalling. Erikson would tell Camus that acting before you understand what stage you are actually in produces reinvention as flight rather than growth. Angelou would tell both of them that the diagnosis matters less than what you choose to do with the years you cannot get back. None of them would tell you what to do.
The question you came here to avoid
You did not really come here to ask whether starting over is possible at your age. People reinvent themselves constantly, at every age, and you already know the statistics exist to comfort you either way you want them to.
What you came here to avoid is a smaller, sharper question: if no one was going to judge the years you already spent, would you still want this badly enough to begin, or is "too late" the safer thing to believe than "I am afraid it will not work"?