three o'clock in the morning
`` But you are happy now ; do n't you like being married ? '' `` Oh , yes , I should be happy enough if things only went better with us . He is so terribly unlucky . No one works harder than Frank ; he often sits up till three o'clock in the morning writing . He tries everything , but nothing seems to succeed with him . There 's this paper . I do n't believe he has ever had a penny out of it .