09/22/2026
“I'm not fit enough to start.” I hear it every week. Most adults never actually learn to defend themselves — and it is almost never about age, fitness or talent.
We know that because we measured it.
Over twelve months we tracked 177 weekly check-ins from our own students — how often they came to class, whether they did the work at home, how the nutrition went, and whether they felt they were getting anywhere. Separately, across four rooms here in Morris County, we asked about sixty-five women one question before teaching them anything: what could go wrong today, and what would you do about it?
This live session is what both of those told us.
WHAT WE COVER
· What women here are afraid of — the counted list, from those four rooms. Grabbed or choked from behind came up most, by a distance.
· How the training is built from that: the situation, then the drill, then the intensity raised to match it — and only once you can do it slowly. Then you test it yourself.
· The one habit that separated our students who progressed from the ones who stalled. It was worth 29 points, and doing it "mostly" scored the same as not doing it at all.
· Why two sessions a week and three are not the same thing — and the one result in the whole study that had no exceptions in it.
· The three rules that follow from all of it, which you can use this week whether or not you ever train with us.
· What the first six weeks feel like, including weeks three and four, which is where most people want to quit.
· Three of our own members, in their own words.
· Your questions, answered live. Type them in at any point.
ONE HONEST NOTE
Nobody can promise you will be able to defend yourself. Not us, not anyone — there is no model that predicts it, and police training has been trying to measure that for years.
What we can show you is narrower, and you can check it yourself: what people here are afraid of, what we train against it, and whether you are getting stronger — which you can see, feel and test.
WHO IS TEACHING IT
Gonçalo Esteves has taught Krav Maga since 1997 — twenty-nine years, across Portugal, Norway, the United Kingdom and the United States, roughly 1,500 people in all. He founded schools in Norway and the UK before opening Self Defense 4 All in Cedar Knolls in 2016; 791 people have trained here since.
The foundation was karate: 4th Dan, four-time Portuguese National Champion, sixteen years on the Portuguese National Team. He is also an industrial engineer who led biomechanics modules for Portugal's national federation, and holds three NASA Challenge Awards — which is why this studio measures what it does instead of guessing.
Capability before confidence. Evidence before hype.
WHAT PEOPLE SAY
4.9 stars across 49 Google reviews.
"The class is a mixture of all ages and proficiency levels, so do not let age or knowledge scare u off."
"It is an environment of intensity but kindness."
If you want to see the room, the details of the first session are in the first comment.
The full study, with the numbers and the method: https://self-defense4all.com/warrior-code/
About Gonçalo: https://self-defense4all.com/about/
Self Defense 4 All · 210 Malapardis Rd, Cedar Knolls NJ 07927 · 908-913-7681