The theme revolves around loyalty, protection, and the profound bond between humans and animals. The main point emphasizes how Buddy, a wolf-dog hybrid, acts as both a savior and a source of unconditional companionship for the narrator during pivotal moments. Buddy's protective instincts when confronting danger, such as rescuing the narrator from an aggressive neighbor, and the narrator’s decision to defy familial rules to shield Buddy from harsh Minnesota winters are events that illustrate the narrator’s deep emotional connection with Buddy, who represents a steadfast guardian amid personal struggles.