Computer Keyboard OVERLOAD!!!!

I have been typing ALL daying on this document and I am trying to understand........Why I am still here???? I can't see the computer screen anymore, everything is blending in and my fingers hurts, but yet and still, I am here at work on overload, trying to continue typing!! And I delusional, mad with fatigue? I am WILLING myself to leave the office and take my tired BUTT home!!! Pepperoni pizza, here I come!