I don’t know why, but I find Chalene Johnson a far better motivator than Jillian Michaels. When Chalene says I’m not tired, I believe her. With Jillian…let’s put it this way: I can mute her and it wouldn’t make much difference to my performance. :/

Quote suggested by monikalopez3, whose awesome results with TF convinced me to give it a try :)

GPOY when I do HIIT 20.