The first 21 years of my life, I was basically a sloth. Whenever I could, I would sleep until the afternoon, get up to eat something (that was usually unhealthy, like pizza) for "breakfast," and then go back to bed to take a nap. I was constantly lazy, moody and unmotivated. Towards the end of my undergrad, I decided that something had to be done. I couldn't wake up for class (not even my 11 AM ones), I couldn't get through a simple assignment without a nap, and I was barely scraping by in school. At the time, I didn't really believe the idea that exercising and eating healthily would actually make you feel better. My thoughts were more like: I love pizza, so eating pizza will make me feel better! Or: eating a bunch of leaves will never fill me up, but a big bowl of pasta will! In terms of exercise, I never understood how physically exerting yourself could give someone MORE energy...wouldn't that just make you more tired? However, I thought that a slight lif...