Try a diaper for the night. Yorkies are very difficult to housebreak! My boys are 3 years old and still pee in the house sometimes. We'll have really good periods of time and then really bad periods. Its the nature of the beast so to speak. I know how frustrating it is.
__________________ “Petting, scratching, and cuddling a dog could be as soothing to the mind and heart as deep meditation and almost as good for the soul as prayer.” ― Dean Koontz |