"You've changed the metre," Philippa remarks, indicating a concern or noticing a shift in style or pattern, possibly in speech or behavior. This suggests a moment of observation and evaluation within their interaction. The dialogue hints at underlying dynamics between the characters, possibly reflecting underlying tension or contrast.

Lymond responds confidently, asserting his independence and authority by claiming the right to change the metre. He emphasizes that he should not be interrupted, which indicates his determination and desire for control in the situation. This exchange showcases their differing attitudes and possibly highlights themes of independence, change, and assertion of personal authority within the story.