Good information!This is such good progression! I completely believe in the baby talk. My hb is not much of a talker with the dog. He believes in letting Kaiser "sense" the moment. I'm not quite into that as I think he's still too young. I do think that possibly I have gotten much farther with K with my short talks and brief ear rub sessions than my hb has with his endless hours of constant dog walking and playing and obedience time.
I don't think its just because of your breeder, I propose that it is a male "momma's boy" sort of thing going on here. I use sweet talk to gain compliance and it nearly always works. I've implemented the "thank you" response for when Kaiser does what he's told because I think he feels and senses the genuine emotion of gratitude when he does as he's told. So when you sweet talk to Oji, you're tapping in to some part of him that desires this. It might just be a Dobe thing!
With just one Dobe's worth of knowledge, I suspect that they require a fair bit of verbal feedback/approval/love if enough physical/touching/emotional feedback is not given. This is actually what both of us are working on because we can see how much it seems to matter to him. Fwiw, we don't think his breeder was overly hands on with her pups.
One thing I think about is this, however: Just like most of our Dobes could be persuaded by a stranger with a yummy treat, don't you think our Dobes could be persuaded by a stranger – perhaps a stranger with bad intentions – who administers some sweet baby talk?
