Pros and cons of momentum WTF. Welcome To Fitness. Momentum, good or bad, is hard to reverse. • • • • • This website is about our BODY. To read today’s post about our SPIRIT, click here. If you want to stay on this site and read more posts from this Blog, click here. By jeff noel Retired Disney Institute Keynote Speaker and Prolific Blogger. Five daily, differently-themed personal blogs (about life's 5 big choices) on five interconnected sites. View all of jeff noel's posts.