Death placed a hand on her knee. "He might’ve not been physically alone, but mentally, emotionally? Everything that he was going through inside made him feel alone. He couldn’t share it with any of his Slytherin friends. And that just worsened his condition. Hermione, you made him feel lighter. With you, he could tell you exactly how he was feeling, without having to sugarcoat it. You made him feel heard as if he wasn’t alone."