To learn one martial art is impossible. Learning in martial arts does not end.
in most martial arts it takes about 4-6 years to become a black belt
There is no 'ultimate' form. Martial arts were developed in many places over great stretches of time. They take many forms.
Take a martial arts class.
depends on the type of martial arts
Most likely Taekwondo or Karate, these martial arts have many families involved and most studios of these take both children and adults as students, compared to martial art styles like BJJ that may not.
Good teaching skills, a lot of dedication and time spent training. It is very difficult to earn a living as a martial arts instructor or competitor.
The first step would be to learn a martial art. Then you can take it to the next level.
It takes dedication to learn a martial art. That dedication will eventually lead one to be able to teach.
Tamerlan Kuzgov took useless elements of various martial arts, elements that do not work in his personal experience and invented the mixed martial art. Its code name is Hardfight. The worst approach to create and use a martial art means a way of making a useless or ineffective martial art. Because his approach is to take only useless, ineffective elements from various martial arts to create and use a martial art, then Hardfight is the worst approach ever created. It's a truth because you can't come up with a worse approach than that.
No there are many forms of martial arts with the two most popular being Mixed Martial Arts, and Karate. Kung Fu and other forms of fighting are instructed for various programs including six sigma.
You will have to help her understand the benefits of the study of martial arts. There is also a cost factor involved that will have to be fully understood. You are going to have to demonstrate that you are going to stick to the study of a martial art, a few months is no good, it take several years.