sounds like Rumo reminds me of Dog X. But does he ever charge or get aggressive though?
Hmm, in most cases submission is "offered" without any conflict - for instance, a few dogs have licked him on the face. I thought, "how cute! They like my dog and gave him a doggy kiss!" Then I read that this is some kind of submissive gesture?
He met another husky and they ran around together for a bit (this is in early days before we quit the dog park) and then they both came back to us. I saw that Rumo was standing with his head over the husky's back. Apparently standing with your head over somebody's back in that "T" position is a dominance gesture! But the husky looked perfectly happy, in fact I was hoping we would meet them again, because they play well together.
So most of the time, there is no conflict...
If Rumo passed Dog X, it would probably be like the 10% dogs we meet that do not submit. There would probably be growling on both sides. You would see Rumo stand stiffly with head and tail high, making himself look as tall as possible. There would be a lot of tension in his body. He might be giving a low growl. (Then you would see me speak sharply to Rumo and drag him away!!) Anyway, from then on, every time we pass dog X, there will be conflict but of course they won't be allowed to "fight it out" like they would if they were free.
I also think that since Rumo is a middle-aged older dog, he's a bit delusional...in real life, a younger dog would probably have beaten him out by now! But because he is on a leash, and the dogs don't get to act freely, he still has this idea that he is a Top Dog.
The thing I like most about him is that he is very polite to the little dogs. He is very tolerant with them, will sniff very carefully, and he never growls at little dogs. Only other big males. So in that sense, he may be different from Dog X...does Dog X assert himself even over little dogs? That does seem like insecurity then.