By call_me_or_dont_call_me.     I came home early from college that semester; I knew mom and dad were out of town, my 18-year-old brother and 19-year-old sister staying home alone for a week. They weren’t expecting me until a few days later. I went upstairs and heard a noise in my sister’s room, so I thought I’d go in and say hello. I didn’t knock because she was still just a kid sister to me. She wasn’t there. However, it