How can you mend a toxic boss/admin relationship?

Question: “My boss is incredibly difficult to work with, especially after I filed a gender discrimination complaint a few years ago.  He invades my personal space, tosses papers all over my desk, postures aggressively, deliberately tries to upset me, and has hurt the atmosphere of cooperation I once shared with my colleagues. I’m close enough to retirement so that I can’t realistically quit, but how do I foster a working relationship with someone who causes such stress?”   – Sonia, Casper, Wy.