A charcol-burner carried on his trade in his own house.   One day he met a friend, a Fuller, and entreated him to come and   live with him, saying that they should be far better neighbors and  that their housekeeping expenses would be lessened. The Fuller  replied, "The arrangement is impossible as far as I am concerned,  for whatever I should whiten, you would immediately blacken again  with your charcoal."   

       Like will draw like.