Jessica's ex-boyfriend comes into the travel agency while she is working; Adam quizzes his wife about her old boyfriends.
Adam and Jessica mull over their family's future; Adam decides to help his grouchy father find a date.
Adam becomes lonely and unproductive working from home; Nicola draws violent pictures.
A gorgeous model sets Mark's sights on settling down; Adam thinks Donald should try his hand at a home-cooked meal.
Adam forms an all-male book group to rival Jessica's, boasting that he and his friends will read longer books at a quicker pace.
An exhausted Adam and Jessica decide to employ an au pair to help out with the kids.