"I think I know why" she turned to Shakespeare "You can't mean me?" he asked and she nodded "You, are another very clever man and you are his friend so, they go to where one of the Doctor's few friends would be" she said "but maybe they aimed for a different time if they've been here for months" she muttered thinking for a moment. Something seems to divert her attention though but she simply shook it off. "That's the only reason I can think of."