Life is a mystery, isn't it? Thoughts like, "What is dry cleaning" and "What is space" can you keep you up at night. We know we aren't alone on this and also WHAT IS DRY CLEANING? We know it cleans but is it dry? How dry is it and how does it work? Seriously. We need to know. BRB we are going to go look this up and while we do, go ahead and look at this list of people confessing things people don't understand at all.