I've lived in places with a variety of pests and the paranoia it engenders is powerful stuff. Suddenly every little thing moving in your periphery becomes a threat you have to worry about. It really can feel like you're going insane.
Panel 1
A cockroach is on a dirty kitchen counter.
Panel 2
Chauncey looks alarmed as he raises his hand.
Panel 3
Chauncey's hand slams down on the cockroach.
SFX: WHAM
Panel 4
Chauncey's palm and the kitchen counter show no signs of a dead cockroach. The bug is nowhere to be seen.
Panel 5
A closeup of Chauncey's eyes. He looks very alarmed now and is sweating.
Panel 6
Chauncey is lying down on a couch, talking to his therapist who's taking notes.
Chauncey: I’m seeing things that aren’t there.
Doctor Guzman: Well, maybe you just have a cockroach infes-
Chauncey: NOPE. Definitely going crazy.