Crash!

Yesterday sucked, all day till around 4:00pm. I woke up feeling like absolute shite - just exhausted and cranky, and I could NOT figure out why. I'd slept OK and had nothing to be stressed out or annoyed about. I was also FREEZING (*ding!* Little hint there....). It was a pretty cold day yesterday, but as usual I had the heating cranked up to "Tropical", so that wasn't it. I had an outdoor training session to do, and that sucked too. I had no energy at all, could barely lift my feet off the gro