Progressively wrinklier shirt: it adds visual stimulation, and enhances the sickening pathos of this gag about a man feigning terminal illness in failed exchange for affection! It's days like today that should be archived to remind the world that Garfield is the blackest thing on the American comics page. Take that, Boondocks!
It is very sweet that Garfield wants to tell Jon he sympathizes. It is typical Garfield that he just sprawls on the table like an undemonstrative orange blob, even while knowing Jon cannot hear the cat say he sympathizes. Thanks Garfield, because you know, this situation wasn't bleak enough.