Martin, while fooling around with a much younger college girl (an Eddie Charles hook-up), ends up in the hospital. His doctor instructs him to change his lifestyle around to prevent another (possibly worse) incident. Top of the list? Cut out caffeine. Of course, he receives a lot of ridicule as he goes about this.

Worried that the divorce is the cause of Jeremy's poor concentration at school, Judith tells Martin that it's actually because of a crush on his teacher. After some wrangling with Judith, it's left to Martin to have 'the talk'.

Initially overjoyed by a whirlwind visit from his globe-trotting baby sister 'Beano', Martin finds it difficult to accept that she's more grown up than he imagined; and unfortunately, his best friend Eddie is part of the problem.

After being admonished by an old school friend for not becoming a famous writer, Martin feels galvanized to pick up the quill again—but are his central characters a little too close to home?

Martin accidentally finds himself dating a controlling, unstable woman.

In order to secure a much-needed vacation, Martin seduces a grieving widow for a tawdry book.

Martin dates a witch, and good things can't stop happening to him. Then Eddie needs surgery.

Martin bumps into a passionate woman in the laundry room, and she takes him for the ride of his life.

Martin decides to take an STD test so he can go condom-less with his girlfriend. Toby has a litter of puppies in the office.

Martin and Nina's relationship comes to a head when her environmental activism goes too far.

Bored after breaking up with Nina, Martin is phoning anybody and everybody when he accidentally takes a call meant for the suicide helpline.

Martin's new boss puts him in several compromising positions.

Judith worries about her upcoming marriage. Martin tries to console her.