Last week, I went to the gym for the first time in at least a year. Most likely longer than that. It felt incredible! The satisfaction that comes from committing oneself to a full, rigorous gym routine is unmatched. The next day, it felt terrible. It's easy to forget how hard muscle aches hit you after you get back to working out. I expected it, but I was definitely not ready for it. I've gone a few times since then. Now, I kind of think of it as positive pain. My muscles are doing their thing;…