A childhood belief about family

when I was younger I was convinced my mother had eyes in the back of her head, and could even see through walls. Once I was in the living room, which can't really be seen from the kitchen, and I decided to test it out. I was practicing my fake karate moves, which I thought I was excellent at, and I called out to her to see if she knew what I was doing. She yelled back that I was doing karate, and I was absolutely shocked. I didn't mess with her from then on, because she obviously had killer X-ray vision.