Susannah knew about Toby falling in love with the Widow Wadman two weeks before it happened—so Tristram can start telling the story then, too.
Cut to Mr. and Mrs. Shandy in bed.
Mrs. Shandy starts us off. She tells her husband that Toby and Mrs. Wadman are going to be married. Mr. Shandy scoffs, effectively ending the discussion. Sounds like they have a healthy marriage.