The way he felt, Barry wasn't certain he could have managed to ask questions. He gripped Harry's shoulder with blood-slicked fingers before warm skin was pressed to his parted lips and his tongue flooded with the taste of tin. He licked, a reflex, and swallowed, and his body vibrated and calmed. He could feel the Speed Force sparking through him again, and he felt that familiar hunger that came from expending too much energy, he was hungry and he swallowed again and again.

With every warm mouthful he felt better, more energized, stronger, everything now a low-level hum, and he hardly noticed when that pushed past the threshold of his ordinary strength.