"Okay. Okay." To say Cosima is unfamiliar with magic is a massive understatement, but she's had her world turned upside down before. She'll manage. Somehow.

Almost absently, she adds, "Anesthetic is a substance used to temporarily numb pain or feeling in the body. It doesn't fix the underlying problem, but it offers the person some relief while the body is healing." A simplified explanation, though not untrue.