Thanks everyone! He still won't go potty unless I go out too. I think he has a bit of separation anxiety. So far he has done well in the house alone with my other Yorkie and cat. He does alot of things my 10# female Yorkie

does only I worry he'll break something when he does it. lol
My grand dog was here today, she is a Morkie

all of 4.4#'s and she is a bit afraid of him. But he seemed to just want to sniff her out.

I'll post photos when I get some, he needs a bath & grooming!