Thank you so much for the help

.
I got Polly at Humane Society. If you would like to know more about place she came from and how I got my baby Jessica (first one), please read topic "Puppy mill raided" at Yorkie News.
My Jessica is very active girl (hiking, camping, walking, ocean, etc, etc). I am in Seattle, too much rain this year, however, every time when weather is not too rainy, I took my girls to the park. We have a great people/owners of small dogs there and this is very good way to socialize. Also, HC invited me to training program, I didn't want to go first because my Jess was very timid and scared as puppy too, and I socialize her very well without those cources. But now maybe I will go. Because they are a little bit different.
Plus, I do have a yard, and we are there every hour (housetraining

). Last Saturday, we went to the park, although it was too rainy. But they were OK, dirty/wet, although

.
Polly is trying to be a friend with Jessica, but Jess ignors her. Today, Polly was aggressive to Jess because Jess accidently jumped on her. But comparable their "relationship" a week ago, much better. I believe, Polly is much younger that 3 yo (as was appx. estimated), she still wants to play. Doesn't know how yet, but wants to learn.
Thanks again