He considers "L is for Love" as one of his favorite episodes he's written. He was super happy about a bunch of episodes in Season 3. His most favorite line ever was "One time, I told her we were out of bread, but then she found a loaf and beat me with it." from "Cheater by the Dozen".
A caricature of Kevin Sullivan makes a cameo in "Pipe Dreams" as one of the people that help Lynn Sr. and Rita build their secret bathroom.