The incident with an unexpected "guest" at our house occurred about 40 years ago when I had just crossed the age of thirty. At that time, I was working as a manager at L Electronics Company, overseeing six service centers in the Chungcheong and Jeolla regions. I was based in Daejeon, with service centers and various agencies in Chungju, Cheongju, Jeonju, Gwangju, and Suncheon. My schedule was pa..