Titus's sister Shannon, who's outshone him at every turn, does so again at the reopening of his shop.

Christmas on a houseboat brings a kinder, gentler Ken when he thinks his best friend has fallen overboard.

Titus is firmly opposed to romance between his sister Shannon and Tommy, neither of whom is listening to him.

A car executive seeks a new design from Titus, who turns to Ken for inspiration when he has a creative block.

Titus weighs whether to be a concerned son or a passive buddy to Ken, who tells his buddy to ignore the heart-attack signs he's experiencing.

As part of Erin's therapist training, the Titus clan participates in a family session, where issues of trust surface between Titus and Erin.

A cannon is key to Titus's plan for vengeance on Erin--on her birthday, no less--for her role in his humiliating therapy session.

Following his personal loss, Titus disdains grief, until an olfactory memory triggers an emotional flood while flying home.