My performance falls to zero when someone(less familiar) is watching my screen, unless it is a colleague doing pair-programming. Also random manager, “dude!! H

My performance falls to zero when someone(less familiar) is watching my screen, unless it is a colleague doing pair-programming. Also random manager, “dude!! How do you even read those texts? So tiny” when passing by behind me. (I use “More Space” resolution on macbook as I prefer to have many things on single screen instead of constantly becoming a bobbing head looking at much neglected monitors on my desk).