You may not be aware that your age is apparently affecting your memory.
That figure looks the way it does because that is how you wanted it when last we met to work on this paper. Which was, by the way, embarrassingly long ago because you are always postponing meetings.
You may not be aware of how infuriating it is that you think co-authorship means you get to re-write everything in your own words. It does not.
You may not be aware that we mostly indulge your requests because we are beholden to you in order to get jobs. Or maybe you do. It does not mean your suggestions always have merit.
You may not be aware that we notice when you are nice to some lab members and let them show crappy data without controls, while you are nasty to others and pick on every little detail on every revision including when the changes were your idea.
You may not be aware that this letter is directed at you. You might think you are not one of 'those' PIs. Or maybe you don't care.
You may not imagine in your wildest dreams how we spend every waking minute trying to figure out how to get out of your lab and on with our lives.