Creating Mastery

I am doing a training this weekend and looking to do a three month course at the end of the month that both have the word master in them. I have a different view on what a master is these days or what me being a master means. I used to think it would be cool to be a master of the guitar, acting, singing or baseball. today, to me...I want to master my relationships with people, my health, my own mind, my moods. what I am aiming to achieve is designing the life I want without allowing barriers that I create to get in the way.