שמע משותף

AITA for calling HR on my coworker when I realized he stopped blinking three weeks ago? I work in an office with about 20 people. My coworker Jake sits across from me. Three weeks ago, I noticed something off. He wasn't blinking. I thought maybe I was paranoid. So I watched. He worked for 8 hours straight. No blinks. Not once. The next day, same thing. No blinks all day. I mentioned it to another coworker. She said: "Now that you mention it... I haven't seen him blink either." We started