So, there's people who I see at my health club who do the same circuit with their personal trainer everyday. Strictly from a cost-perspective, couldn't they just pay for one session, memorize the routine, and then do it themselves from then on? But, people are obviously paying for the motivation. They want to spend money on it, because then they'll actually do it. Therefore, let's brainstorm other things that people could pay us to motivate them to do?