When a potion goes wrong and causes Draco Malfoy to lose all of his memories, Harry doesn't understand why he cares so much about how Malfoy is doing. He doesn't understand why he rushes to the Hospital Wing to see Malfoy, either. And he definitely doesn't understand this.

When a potion goes wrong and causes Draco Malfoy to lose all of his memories, Harry doesn't understand why he cares so much about how Malfoy is doing. He doesn't understand why he rushes to the Hospital Wing to see Malfoy, either. And he definitely doesn't understand this.