And, failing any excuse, he would beg M. de Charlus to go to her at once, and to tell her, as though spontaneously, in the course of conversation, that he had just remembered something that he had to say to Swann, and would she please send a message to Swann's house asking him to come to her then and there; but as a rule Swann waited at home in vain, and M. de Charlus informed him, later in the evening, that his device had not proved successful.