This one hits for me. Like 2 weeks ago I was in my room watching tv. It was late and I had my door slightly ajar. As I'm watching, I kept getting this feeling that someone was watching me. My eyes kept darting to the open door but it was pitch black past the entryway. I finally decided to shut the door to ease my mind a bit and as I grabbed the handle, my cat bolts out of his hidey spot in the shadows and into the next room. After a moment of collecting myself, all I could think was wow, brains are fuckin cool.

Whether it was confirmation bias or not, it was a good reminder that we're the result of millenia of adaptations. We like to act all civilized and proper but we still have dormant instincts like any other animal.