Ah yes. I too have a perfectly clear desk, with my back facing a bright window. The stand for my close at hand, tablet half off the desk and far away from anywhere remotely close to comfortable for drawing.
And of course, tapping the screen to be sure I'm following where my cursor is. It's VERY important (what with all the glare on the screen FFS OKAY I CAN'T DO THIS FUCK THIS IS HORRIBLE BUT SHE DOES HAVE THE SAME CHAIR AS ME)