Our Buttercup weighs ~35 lbs. We adopted her around age 3 so I don't know anything about her breeding, but other than her size she sure does look like an EB and not a mix. She has allergies that are much better after switching her food and most of her health problems so far, including occasional head tremors, seem to correlate with her allergies. She is absolutely adorable (I know I'm her mama, but she is one of the cutest dogs I've ever seen!) and seems to have many typical EB personality traits. That said, I would never suggest breeding a dog with her allergy problems and certainly would not pay a thousands of dollars to adopt her, since we're sure to end up spending that money for veterinary care over her lifetime!