Regarding their relationship, Aries and Katie get along pretty well as long as there is nothing to resource guard around. But, they also both have resource guarding tendencies, and will guard food, toys, bones, and me from each other, from Petey and from the cats. No guarding directed toward humans from either of them (knock on wood).
So they only get supervised play with toys, and they are fed in separate rooms, and anyone who snarks while being petted loses the petting, but they get treats AND petting when they are calm close together while being petted.
When I am giving out treats, they sit together fine, and when there is nothing to guard, they will sleep together on the couch or bed, and cry if I take one and not the other.
Linda said that if Aries was not the first one out in the AM, she would pee inside. We haven't run into this yet. As a matter of fact, Aries won't go out without at least one of the other dogs with her, but we always take them all out first thing in the AM
My Petey marks the curtains (including shower curtain) or hanging blankets on the edge of the bed anytime a stranger comes to the door, so we are used to it. We just manage, and it doesn't really bother us too much.
Like I said, we will probably just crate her when we leave with Katie in the future. Aries likes the crates, and often chooses to nap in them, so crating won't be a problem. We just didn't bother since they haven't been destructive.
I was just interested in how specific the peeing was. Only when we leave with Katie.
Thanks for all the replies.