Secondly, compared to you, if you have zero foundation, the time and energy spent may be greater, which will lead to the choice of some dance aspects to be careful.
Moreover, you want to open a training class, if you rely on you alone, there may be some strain, and you target which aspect of the crowd, children/young people/middle-aged people? And the teaching method is also something to learn, there are usually sets, but there are many aspects to consider.
This side suggests that you: your goal is indeed very good, but you should first go to some training courses or some fitness places to learn about, personal experience, must look for the dance to bring you that feeling, at first, there may be some discomfort, but the precious persistence! When you personally experience, according to your specific situation, and then make further plans!
About dance advice: dance is very much, but we suggest that you choose some of the effectiveness of the fast, and can quickly enhance the sense of dance, as well as the sense of music dance, such as JAZZ, fitness dance, square dance, modern dance, etc., there is also a very important, that is, the body's coordination, relative to your age, ligament will be a little stiff, to open it will require a certain amount of time, but the overall coordination can be the exercise of the day after tomorrow! The overall coordination can be worked out later on, whether it's with the hands or the feet or the body, and you can look at some of the instruction online.
Lastly, only after your own experience will you have a more real feeling, keep a green mood, learn to show your own confidence, stick to it, you will be able to dance out of your charm.
30 years old, your ligaments have been fully developed in all aspects of the complete, to learn too good or a little difficult, there is nothing you can not learn, 40 years old can still learn to dance, just you learn more than others to work hard, so choose some of the uncomplicated, simple and easy to learn is more suitable for you
Jazz dance is good, jazz dance at any time you can dance, and very sexy, mention the car feminine charm. . Very dynamic, very feeling, no foundation, it does not matter!