Not that, but I just feel weird to do anything but non-stop work during work time, so I'll drink less water to not have to use a toilet during the 6 hours till break/end (just a part-time job).
Once I was told to wait for something without being officially put on waiting time, and I just felt weird standing there doing nothing, because officially I was supposed to be working.
When I was told that I am too slow (based on statistics for the day) and once that I did something wrong I took that quite personally. And fearing a negative point basically flooded my mind, meaning I couldn't quite concentrate, meaning I was more prone to further mistakes, which just made me fear more... positive feedback loop of fear.

I don't know, I've been there for over a year. I just kind of have a dog-like "pleasing the owner" mentality. As such, getting an email saying I got a positive point feels pretty good.