No, the twist ending in "Lob's Girl" was unexpected and added depth to the story. It was surprising how Lob turned out to be the main character's dog from a past life, creating a poignant connection between the two.

Lob out is British slang for "throw out"

As in "I am going to lob/throw out this broken table".

lob killed the other dog?

In "Lob's Girl," Lob walked six miles to get to Sandy to return the cat that Lob believed Sandy claimed.

Yes, loyalty is a major theme in "Lob's Girl." The story explores the loyalty and bond between Lob's dog, Sandy, and Lob's niece, Sandy's descendants, as well as the family's loyalty to Lob's memory and their cherished belongings.