Continuity mistake: When Trig puts the fags down on the table he puts down 3 packs, then another 3 packs, then the camera does a closeup of them on the table. There are now only 5 packs. (00:06:25)
Continuity mistake: Del puts his fork down on his plate at the apartment. Camera cuts and it has changed position without Del touching it. (00:13:25)
Chosen answer: An apparent long string of illnesses.