How does Hendo deceive Zelda in the novel, When We Were Vikings?

When Marxy breaks up with Zelda, Zelda feels hurt and vulnerable. Her new rapport with Hendo is a source of comfort to her, and she is excited when Hendo conveys apparent romantic interest in her. However, it soon becomes clear that Hendo merely seduced her so that he could steal the bag of drugs from Gert’s room. Zelda feels even more hurt after this realization.