Gavin weeps in Breakfast at Lydia's when Mavis beats him for Employee of the Month. Wall pictures imply he won the previois 14 times. Aunt Lydia and her chicken cannot believe Mavis beat him.
Mavis refers to him "still" being in love with Fifi in Hank and the Real Boy.
Mavis greets Gavin after Ryan and Tiffany at the start of For Whom the Smell Tolls