I tend to repeat things other people say either out lout or
   under my breath. I think in my case it's *probably* due to me
   doublechecking that I heard them correctly (being profoundingly
   and annoyingly deaf in one ear and 1/2 deaf in the other) - but
   it's hard to say. I never took an autism type test, although I'd
   be curious to try. Do you know of any online screeners that
   place you in a spectrum? "