[ at that, he looks up, glass halfway
  to his mouth. he sets it atop a
  folder and cocks his head. ]

       "  much as we like t’
          promote cleanliness
          here at carnegie–
          that’s not a healthy
          place for you to live.
          i gotta spare room–
          which you can have,
          so long as you promise
          you’re not a serial killer.  "

[  the way he sees it, if this stranger
   tries anything funny, he can defend
   himself. his father taught him how to
   fight through a series of vicious cycles
   and drunken rages. ]