Shen Yuan blinks. "Oh." Right, god—Sagramore is doing this with like, literal Dark Ages medical knowledge. Maybe even without search engines Shen Yuan can be useful. "Sorry, I—yes. The symptoms you're talking about, when you don't drink, they're called withdrawal. It happens because, like, over the years your body has built up a chemical dependence on alcohol, and it—reacts, when it's not there and it expects it." He cocks his head. "What did you think was happening?"