Final answer:
Jem feels anxious about Boo Radley during his conversation with Scout in 'To Kill a Mockingbird', especially after the incident of the torn pants.
Step-by-step explanation:
The conversation referenced here is from Harper Lee's novel To Kill a Mockingbird, in which Jem Finch returns to the Radley place to retrieve his torn pants. Jem's behavior during the conversation with Scout about Boo Radley and his subsequent actions suggest that he is feeling anxious about Boo Radley. He initially fears getting caught trespassing, but his decision to return for the pants indicates he worries about the consequences that could arise due to his encounter with Boo. Jem's fear is further heightened by the mystery surrounding Boo Radley and the frightening stories about him that circulate in Maycomb.