he 'd had to instruct chris markov , the security guard in his building , to turn away any female without an appointment ; he could no longer walk to work , as a few intrepid women had figured out where he lived and camped out on the doorstep like paparazzi hounding britney spears ; and in this beautiful midsummer weather , he 'd been forced to hire a cabbie to pick him up out back and drive him home .