I have a 1 1/2 year old male longhaired Dachshund, and a 10 year old female tea cup poodle. Ever since I got "Teddy" my dachshund, my poodle "Tiffany" hasn't agreed to the idea of another dog in the house, but she puts up with him. But it's funny to watch them together because I know they love each other even though it seems they are total enemies!