Tupperware culture, and the culture of most direct selling businesses, is infused with the rhetoric of positive thinking manuals, a genre of writing with a long history in the United States.

A sprinter uses selective attention on the blocks at the start of the race. Positive thinking is the performer being optimistic (about future performance), thinking and being confident about doing ...

Whatever you’re celebrating today, I hope it makes you happy. That’s because people who are happy typically have a positive, optimistic outlook on life. And tapping into the power of positive thinking ...