Gyms are full of people who are already fit. It scares the rest of us away...

And of course said people are usually acceptable to society.

Yeah, so many "positive thinking" systems are invented by people who are in a position of priviledge already, so of course it has been their experience that all one has to do to succeed is to be optimistic and everything will fall into line. I loathe that "blame the victim" mentality.