As the human of a smart, quirky herding dog, I’ve had to learn a few hard lessons about the importance of boundaries. If my pup isn’t given a job, for example, he’ll find one himself. And if anyone (especially a stranger) violates his personal space, he gets nippy. We’ve had to create a lot of structure to keep him…
source https://lifehacker.com/these-are-the-boundaries-every-dog-owner-should-teach-1846785580