One of the most prominent features of the time period was the propriety expected between members of the opposite sex. This was the beginning of the social restrictions that were one of the defining characteristics of the Victorian period, which directly followed the Regency period. A young unmarried women should not be alone with a man without a chaperone; likewise, women were never to travel unescorted. annemace.net
Charlotte's return from this short visit to her friend, she travelled with a gentleman in the railway carriage, whose features and bearing betrayed him, in a moment, to be a Frenchman. She ventured to ask him if such was not the case; and, on his admitting it, she further inquired if he had not passed a considerable time in Germany, and was answered that he had; her quick ear detected something of the thick guttural pronunciation, which, Frenchmen say, they are able to discover even in the grandchildren of their countrymen who have lived any time beyond the Rhine. EG-Charlotte
And so her journey back to Haworth, after the rare pleasure of this visit to her friend, was pleasantly beguiled by conversation with the French gentleman; and she arrived at home refreshed and happy.