Here's the gist of it:
* The moment: Katniss and Peeta are hiding in a tree, waiting for the tracker jacker nest to fall. They are both frightened and exhausted.
* Peeta's action: Peeta, in a gesture of bravery and selflessness, throws a rock at the nest to distract the tracker jackers, knowing it will anger them and risk his own safety.
* Katniss's reaction: Katniss is shocked by Peeta's action, overwhelmed by his bravery and his willingness to sacrifice himself for her. She realizes the depth of his feelings for her, which she had initially dismissed as a performance for the cameras.
This flashback is significant because:
* It highlights Peeta's true character: It shows Peeta's deep love for Katniss and his courage to act on it, even when it endangers him.
* It foreshadows their relationship: This moment, combined with other instances of Peeta's sacrifice, solidifies Katniss's growing feelings for him and sets the stage for their developing relationship throughout the books.
* It adds emotional depth: This flashback makes the reader understand and empathize with Katniss's feelings for Peeta and the complicated relationship they share.
Let me know if you have any other questions about Katniss and Peeta's relationship!