momentum

Even fitness professionals have to fight laziness and poor diet choices.
At first glance, the differences are obvious. But the two sports are more closely related than you may think.
I fell out of my good habits over the holidays and started beating myself up over it, making myself feel worse. So I wrote myself a letter and I'm letting go of my excuses and moving forward.
Momentum, in sports, is a psychological concept - the roar of a crowd moves us, a referee's call throws us off. How do we recognize momentum and keep it from heading us the wrong way?