midnight
`` Right , boy , '' he said . `` Good for you . We wo n't discuss Nan , and we wo n't discuss Tira . But you 'll hold your tongue about this business , and if you find me opening the door of my house at midnight , you 'll remember it 's my business , and keep your mouth shut . Now I 'm going up the hill to see she 's safe , and if you follow me , in your general policy of keeping on my trail , I do n't quite know what will happen . But something will -- to one of us . '' He got up , went into the hall and found his cap and leather jacket .