midnight
Then he turned to go , resolute and happy . How strangely he had matured since the summer ! Her heart swelled with the consciousness that it was her love that had effected this transformation . `` As I can not expect you to-morrow , I shall probably go to the opera , but I shall be at home before midnight . Will you call me up then ? A word from you will put me at ease for the night , even if it comes over the telephone . '' `` I will call you up .