I have my 2 sweet loving chihuahuas that have grown up together since 8 weeks old.they are both 4yrs old. Male is Opie born 5/4/17 -female Ida born 9/22/17. They are fairly well behaved, some potty issues. They need more training, love and attention than my family and I can offer. They will not do good separate. Please reach out only of you can keep them together.