I move my computer mouse cursor arrow to the bottom of the screen until it hides the "arrow".

Hi guys, this might sound funny but that's what I do when I am using my computer with mouse.
Whenever I am reading something or surfing internet, I occasionally move my mouse to the bottom so that the "arrow" hides for a sec and then I move the mouse to the normal position. It's like throwing a ball and waiting for it to bounce back.

Also, I count the four sides of the screen randomly out of nowhere.