The idea of anti-fragility comes from Nassim Nicholas Taleb’s book Black Swan: the basic idea is that many human-made systems are fragile. Something comes to stress the system, and it falls apart. Some systems are robust or resilient, which is much better than fragile.
But even better is the idea of being anti-fragile: stress makes the system stronger.
Human systems are anti-fragile – when we exercise, we’re stressing the system, and after we recover, we’re stronger and better able to handle that stress. Bones get denser with impact. Lots of natural systems have anti-fragile mechanisms built in.
We can make human-made systems more anti-fragile by designing ways that stress will make the system better able to handle stress. Failure helps the system get stronger.
Let’s look at how to apply this idea into our training – any kind of learning, habit formation, physical or mental training, anything where we’re trying to improve something.

Key ideas for Anti-Fragility
Before we get into specifics for training systems, let’s look at some key ideas I’ve found to be useful:
- Expect stress, failures, crashes.
- Design the training system to not only be resilient, but to get stronger with stresses & failure.
- Start by removing fragility from the system. Examples: smoking, debt, having too many possessions, or being super hurt or pissed when you get criticism or failure.
- Take small risks often. Small experiments designed to help us learn from failure. Example: every day, I try to get better at doing hard work, with each day being a mini-experiment. I fail often, which means I learn often.
- Embrace uncertainty, risk, failure, discomfort. These become things to help you grow, rather than things to be avoided or complain about, or things that cause you to collapse entirely. Embrace variability, noise, tension.
- The attitude is to always learn & get better from failure. Don’t bemoan it, embrace it and learn, improve, grow stronger. Love error. When your system gets stressed, how will it respond to get stronger?
- Intentionally inject stress into your life – do sprints, lift heavy weights, fast, take cold showers, take on challenges, experiments and adventures.
Now let’s apply this to our training systems.

Anti-Fragile Training Systems
Some ideas to use in training:
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