It was not the habit of this dear creature to tell falsehoods, except when necessity compelled, but in these great emergencies it was her practice to lie very freely; and in an instant she was ready with another neat plausible circumstantial story which she administered to her patron. 
She did not usually tell falsehoods, except when compelled, but in great emergencies she lied very freely; and in an instant she was ready with another neat plausible story. 