She thought nothing of him sitting at the window, his ‘favourite window’, with binoculars, for hours, watching.
She didn't even find it peculiar that he enjoyed this activity mostly at night. Birds, you see, were most interesting then. —Or his insisting the lights be off. This, she was told, was imperative.
She never thought much about this, nor to look out from that ‘favourite window’, to see the alluring young nudist living by herself across the carpark.