I have a rescued chihuahua Peanut who came from a deplorable situation. She was living with an alcoholic man in a rooming house where dogs weren't allowed, and he kept her crated while he (wonder of wonders) went to work. He'd walk her in the A.M, crate her, come home from work, take her out again, and then procede to get blotto! When I took her in she was an older girl, unspayed and all the fur was missing from her head, and lower body....and she REEKED of human urine. Poor little thing was very underweight, but has so much love to give despite all the crap she's gone through. It took multiple baths to rid her of the stench, and months before her long hair grew back. I think she's a cross of chi/yorkie but the guy insisted she was pure longhaired chihuahua. She was roughly 6-8 years old when I took her in and totally not housebroken. Bless her little heart she tries, but has the tendency to pee on the carpet, yet poop on the tiles. I wish it were the other way around. I've had her for four years now, and she's still very stubborn about going out when it's cold or rainy. I can leave her in the yard for an hour, and she'll come in and piddle on the rug a few minutes later. I invested in a carpet cleaner, and it stays plugged in all the time lately! Big mistake buying a new living room carpet that is green! I know dogs are mostly color blind, but it's getting ridiculous. It's not easy trying to housebreak dogs who are set in their ways. Good luck...and if you come across the magic secret...please share!