This question is difficult because the answers that truly help often do not look worthwhile at the time.
Looking back after 20 years of work, I am increasingly convinced that the most important thing in youth is not to get every step right. It is to become someone who remains capable through long-term change. These eight things, in my experience, can profoundly shape the second half of life.
1. Build transferable capabilities before betting on a particular job
Industries change, jobs disappear and tools are replaced. What lasts is the ability to understand systems, learn and think abstractly.
Once you can quickly grasp the logic of a complex system, changing direction is no longer starting from zero. It is applying your capabilities in a new configuration.
2. Enter real, complex systems early instead of remaining in environments with standard answers
If your environment always has a correct answer, you may largely be absorbing risk on someone else’s behalf.
In real systems, especially with support and opportunities to review your experience:
Decisions have consequences
You must take responsibility for mistakes
Complex problems have no ready-made template
You begin to understand that life is not about solving the exercise correctly, but about being able to handle what happens.
3. Do things that look unrewarding now but can compound over time
Sustained writing, research and the development of your own methods often produce little immediate return when you are young.
Their value may emerge later, and they may reinforce one another. Whether they produce returns depends on methods, feedback and opportunity; there is no exponential curve that applies to everyone.
They help determine whether, in middle age, you work primarily through stamina and luck or through structure and judgment.
4. Treat your body as part of your cognitive system
Many people treat the body as a resource they can indefinitely overdraw. That is an expensive mistake.
Sleep, daily rhythms and physical fitness directly affect:
The stability of your judgment under pressure
How much uncertainty distorts your emotions
Later life depends less on being clever than on sustaining useful work under prolonged demands.
5. Deliberately practice independent judgment rather than chasing prevailing narratives
The world never runs short of stories that sound plausible.
What makes a difference is whether you can distinguish:
Facts from opinions
Judgment from allegiance
Conclusions from interests
When you no longer need a prevailing narrative to feel secure, the quality of your decisions can change fundamentally.
6. Judge relationships by the willingness to share risk
Valuable relationships are not defined simply by how long you have known someone or how easily you talk.
Ask instead:
Have you faced uncertainty together?
Have you backed one another at decisive moments?
Have you stayed through difficult periods?
Such relationships are few, but their influence on later life can be enormous.
7. Begin constructing your own life narrative early
When external identities keep changing, a person without an internal narrative can be swallowed by labels.
Sooner or later, you have to answer:
What am I actually doing with my life?
The earlier you start building an answer, the less likely you are to lose direction or spin your wheels in middle age.
8. Understand probability, risk and irreversibility
Not all mistakes are equivalent.
Some choices permit trial and error; others cannot be undone.
Understanding the difference makes you both more cautious and more decisive at critical moments.
Maturity is not a willingness to gamble. It is knowing where you cannot afford to.
Closing thoughts
What matters in youth is neither a beautiful résumé nor a perfectly straight path.
It is whether you become someone who can:
Learn
Transfer skills across contexts
Withstand pressure
Continually renew yourself as circumstances change
Freedom in the second half of life grows from engaging directly with complexity in the first.
I am Ni Mouren. If these ideas resonate with you, visit my latest column: