Nodding, Ginny bit her lip, "Someone slipped him some sort of potion... he's.. all this stuff with Ron? It was like he was under the imperious curse. He had no control over it. If he tries to fight it now, it makes him violently ill." She paused, gathering herself. "He came to the shoppe and apologized to me today. For... for everything."
As she finished the last sentence, Ginny began shaking. She was terrified.