So what you're saying is that he might have the first terrier in history that would rather be in it's box than bouncing of the wire looking for attention.
You don't have to be Ceaser Milan (or whatever he's called) to see that the terrier is making strange with his new surroundings and owner and all the different sounds and smells that comes with that.
Some dogs are quicker to adjust than others and plenty of attention and time should sort it out, depending what sort of a dogman the new owner is.
It amazes me that there's people who think that swapping dogs from billy to jack all the tim