Harry felt completely helpless, because he suddenly realized that even the classmates he trusted most were starting to doubt him now, especially Lindy! He even suspected that he had fallen under Voldemort's influence!
To think I really considered you trustworthy friends...
For a fleeting second, Harry felt his heart sink into utter despair. Without a word, he quickened his pace, rapidly leaving all three of his roommates behind.
Chapter 101