Chapter 19 the lightning thief what does the scene in the throne room tell you about each of the three friends Percy Annabeth and Grover

Annabeth and Grover were both willing to stay behind as an act of gratitude towards Percy, and wished him to save their mother instead of them. Though Percy disagrees and vows to return for his mother. This shows Annabeth and Grover are very good natured people and care more about others.