In a recent conversation between the former head of house, Erica and Lucy, Lucy told her she was different entirely from the normal person the housemates know when she was the head of house.
Lucy explained that it was shocking that she could be that different. Erica could not even believe she was different. Lucy advised that she can proceed to confirm what she told her from other housemates too.
Lucy even said Erica once told someone to shut up. Watch the video below: