(Book 2 Chapters 17-20) What brings about Dr. Manette’s relapse? What do Mr. Lorry and Miss Pross do to help conceal it?

The couple marries and goes on a honeymoon to Wales for nine days, leaving Doctor Manette without his daughter for the first time since he was rescued from Paris. As soon as Lucie leaves, a change comes over her father, and he reverts to his shoemaking and does not recognize Miss Pross.