two o'clock in the morning
resumed Julia . `` Dear madam ? '' `` Do explain to me in what consist the usages of society ; for there are things which I do not understand . Is it admissible -- is it proper to allow a woman of my age and a gentleman of yours to return from a ball , tete-a-tete , at two o'clock in the morning ? '' `` But , '' said Lucan , not without a certain gravity , `` I am not a gentleman ; I am your mother 's husband . '' `` Ah ! that is true ; of course , you are my mother 's husband ! ''