I was 13 years old. My mother had just left our apartment, so I had the place to myself. I’m in my bed, with the bedroom door shut, going to town. Apparently, I was so, um, self-involved that I failed to hear that my mother had returned… she’d forgotten something. As was her habit, she didn’t knock before she opened my bedroom door and, since my eyes were closed, I had no idea she was there… until she shrieked “What are you doing?!?”
<snorts> I told her I was popping a pimple. Yeah, right.
The lesson I learned? ALWAYS LOCK THE DOOR, even when you are alone.