You can buy all the self-help books you want. You can read all the materials and dream and dream, but nothing is going to happen until you commit to a better life. Wing Tsun training can be a great place to start.
Ancient martial arts are not outdated for the human body and spirit. Certainly, new training methods and new circumstances can improve upon fighting and self-defense effectiveness. However ancient ideas are still very valid based on hundreds of years of trial and error and developed in a time without technology. Fortunately for us, Wing Tsun has kept up with modern, urban applications.