1203. You say that your stories are devoid of fiction, but perhaps the problem is that your story in this case is missing some basic facts that have not been discovered because DNA testing was not available when Otis and the Boy were friends. In short I think the vet hit on the explanation of the situation, Otis is not a wolf at all, and also not a dog, he is half and half, neither one or the other.
1204. "To be two characters at once is a much harder albatross to carry that having no identity at all," said Buboni, appending his notions to Aunt Jemima's. "The person with no established identity can always adopt a persona like a mask at a party, and having no true nature he can make do and even succeed. Such a person's character is like a blank slate upon which anything can be convincingly written. And since it contradicts nothing, can cause its possessor no problems.
1205. But consider the dog or the man that has two natures, especially if those two natures are contradictory, and most often people like that are cursed with characters that are not only contradictory but actually at war with each other.