After walking up a hill and being completely out of breath, I knew it was time for a change. Now, the moment I get home from work, I lace up my running shoes and hit the pavement. After a few weeks, my body started to crave that movement, I couldn't stop even if I wanted to. It became automatic. When you set your bedtime to 10 PM and follow it religiously, as soon as 9:45 hits, your eyelids grow heavy. When lunch is at noon, your stomach starts rumbling at 11:58. That's the result of forming ...