If you went through the 2 week program, you would understand that they teach you “targets” which are basically 2 voices you will have to use in your everyday life( one for 25% of the time and one for 75% of the time). Not to mention these “targets” can sound very different from how you normally sound and require 40 minute practice everyday and constant maintenance to make sure you stick to this new learned muscle pattern. So yeah, it’s not a cake walk to consistently use