Roberto is consumed by self-loathing and obsesses over his flaws, misdeeds, and mistakes. He expects everyone else to hate him as much as he hates himself, and can't quite wrap his head around the idea that other people might not care.
Subverted: Roberto did all he could to get what he wanted, betrayed all of his friends, trampled on everyone, and finds out that he's Lonely at the Top...
Double Subverted: ...but since nobody is worthy of him anyway, what's the big deal?
Parodied: Roberto is at his birthday party gets a call saying that his mother has been in a horrific car accident, and is being rushed to the hospital. Roberto hangs up and complains how people are always ruining his special day.
Zig Zagged: At the beginning of the episode, Roberto is completely selfish. However, he learns his lesson, and by the end he's willing to try and help other people without benefit for himself. However, by the time the next episode has rolled around, he's suffered from Aesop Amnesia and has to learn his lesson all over again.
Averted: Roberto isn't particularly selfish or egocentric.
Lampshaded: "Can we talk about important things now? Like me and what I want?"