Harry slipped out of the infirmary quietly while Teddy slept. He'd feel a flutter in the snitch necklace he wore when away from Teddy if he woke. He was a bit distressed at the moment. He had just gotten the Daily Prophet and learned that Fang, dear sweet slobbery Fang, had been put down like a beast. He snarled at the injustice of it all. Fang was NOT a beast, despite what the Prophet claimed. They were known for getting their facts wrong.
He probably shouldn't be on the grounds alone, but he needed to think. He needed to check on Hagrid. He needed to go to the lake to sort things out in his head. Someone was there already.
Harry approached cautiously, fingering his wand in his pocket. "Hello?" he called to the other.