As to be expected, Link wasn't being very social, though with the smile on his face, it was impossible to call him anti-social. It was, however, a nervous smile. He was nervous. He spent most of his time with cows, after all. Link had never been to a party of this size, and while he took some pride in watching Zelda flit about the busy room, he doubted he'd ever be as social of a creature.
So he wandered around a bit aimlessly, trying not to get under his girlfriend's feet, and hoping someone would take pity on him.