“Fish held the silence for so long that I had to restrain myself from prodding her. That's never a good idea. Sometimes people hesitate because they don't have the courage to come out with whatever needs to be said”

other times they desperately want to speak but can't find the words. Jabbing them prematurely tends to shut them up. Outwaiting them gives them the time to say more than they intend. is quoted here; further biographical details are not publicly available.