[because he's Sonic the Hedgehog! And he has a thing for bugging introverts, really]

Who said anything about proving something?

[he stares Hope down a little longer... Then just sighs]

All right. You get away with it this time. [there's a cheerful expression on his face though] Next time though, you should enjoy yourself more! Because what's the point of going to a party if you're not having fun?