Answer:1. he is more comfortable with his dog than with his distant relatives.
Explanation: 1. He is more comfortable with his dog than with his distant relatives. This can be inferred from Kevin's statement, "Buddy is my constant companion: he already knows everything about me: we don't need to trade life stories to create conversation." This shows that Kevin feels more at ease with Buddy than with his distant relatives, with whom he only sees once every other year.
He behaves like the perfect guest at family reunions. This cannot be inferred from the dialogue.
He doesn't think Christopher can take proper care of Buddy. This cannot be inferred from the dialogue. Kevin thanks Christopher for offering to take care of Buddy while he is gone, which suggests that he trusts Christopher to take proper care of his dog.
He is worried Buddy will miss seeing Aunt Clara. This cannot be inferred from the dialogue.