Shock to the system

Just got back from the big family vacation, it was really nice. It was weird to be away from kung fu for so long, but once your back it's like you never left. One thing about being away is the punishment your body takes when you get back. Eating badly plus no exercise equals pain in the end. It also equals lesson learned (if I was smart, which I wasn't.) So you know the first class back will be brutal and it was. It was a crazy workout which was good, but my legs still feel weak tonight and I know they will be sore tomorrow. What doesn't kill me makes me stronger right?