No. Not in the sense of pretending or being false. Instead, this about developing your own authenticity. It's about using proven and time tested acting tools to create versions of yourself to use in real circumstances. A simple example, if you like wearing jeans and a t-shirt at home, you are not being fake or inauthentic for wearing a tuxedo to a business cocktail party. You're simply dressing for the occasion. These acting and improv techniques help you mentally and emotionally "dress for the occasion."

Yes. These tools and techniques are all learned skills. They all require exercise and repetition. The more you exercise with them, just the same as an athlete, the better you will get in pratice with them. Considering these are the tools that exercise your mind and emotions, you will not only become a talented actor but more talented at life in general. You will think faster, exercise a practical control over your emotions and live a richer life.

A great deal. Considering all people have an emotional body within them, however developed it may or may not be, I think the real world effects are countless. People with anger management issues can be given tools to exercise and understand the more volatile emotions they experience. Children going through prepuberty can be taught how to understand and manage their emotions long before they get hit with that bolt of emotional energy of adolescence. People having emotional intimacy issues can be taught step by step how to develop themselves in a way to become stronger in more delicate moments. People going into negotiations can better hide their hand if they learn how not to give their position away emotionally. People who learn how to control their emotions can handle stressful or even dangerous situations with a clearer mind because their emotions are not clouding their thoughts. The applications go on.

Yes. Usually, people have "stage fright" because they are not prepared mentally or emotionally to "perform". These tools and techniques help you to prepare for such events in life and to leave a mark big enough for others to remember you by. This work doesn't just stop at teaching you how to speak in public. It goes on to teach you how to do so with passion and gravitas, to have presence and to inspire. You can take it all the way to the point of commanding your audience and being able to sway them to your direction. These techniques won't stop at merely helping you, they can change you.

By tapping into how our minds work. It has to deal with a few things. How our mind works, in the sense of how when you learn to do a new task it may seem tricky at first but your mind breaks it down and makes it easier for you to do the more you practice at it. Your mental systems kinda relagate the task to "second nature". With acting techniques you are using that same mental mechanic but turning it on the way you think. Or as with the Stanislavski System in how we break down a moment. Stanislavski's system of seven questions, breaks down a moment in as many ways, and countless more can be unpacked as well. The point is, the more your mind does it, the sooner it becomes a 'second nature" process. When it does and you will walk into a moment, your mind will be firing off and answering all these questions so fast that you will have a much tighter grasp on every moment you walk into in real time. You will be a fast thinking proactive particpant in the moment, instead of a common thinking reactive specatator drifting through that same moment.