four
o’clock
And now I shall leave you . '' He got up , went over to a mirror , carefully arranged his tie , and put on his straw hat at exactly the most impudent angle . `` I shall leave you to write your book while I meet papa at the villa . Do you know why papa is so careful to be always at the villa at four o'clock just now ? '' `` No ! '' `` Nor does mamma ! If she did !