James sometimes went to the library. No, really. Obviously the fact that he was currently in the library proved that he did, in fact, sometimes find himself there. Luckily for Lily, this was one of those times.
When he saw her, he briefly grinned to himself and decided the quidditch book he'd been looking for could wait. Instead, he strolled over to her table and plunked his book bag down on the spot across from her.
"H'lo," he peered over, noting the Transfiguration book. "You look absolutely thrilled. So thrilled, in fact, that I'd wager that Transfiguration is your all time favorite subject."