The vast majority of my work as a trainer is helping owners control their dogs during times of arousal. Maybe that’s in the home, when the kids come crashing through the front door from school, tossing their coats, backpacks, and shoes on the floor as they race to the refrigerator and the gaming consoles. Maybe it’s on the ritual “walk,” where the chance encounter with neighborhood fauna turns the outing into a rodeo when the dog explodes at the sight of kids, deer, other dogs, or anything else that moves.
If that’s your dog, you’ve probably been told he’s stubborn, or dominant, or maybe that he just needs more exercise. You call him hyper. Everyone else calls him excited. After over 40 years of doing this work, I can tell you it’s almost always none of those things. The word for what you’re seeing is arousal, and the problem is practice.
What arousal actually does
Dogs don’t misbehave at the front door because they’ve forgotten their manners. They misbehave because arousal changes what the brain can do. “Excited” is the word everybody reaches for, and it’s as generic as “reactive.” It describes what the dog looks like, not what’s driving him. A dog in a high state of arousal is not thinking. He’s reacting. The parts of his nervous system that handle self-control are essentially offline, and the parts that handle pursuit and celebration are running the show.
That’s why your dog can perform a flawless sit in the quiet kitchen and then act like he’s never heard the word when the school bus pulls up. It isn’t selective hearing. It’s a different brain state, and it’s why I spend so much time in my leash reactivity article on the difference between fear, frustration, and arousal. From ten feet away they look identical, and the treatment for each is different. Guessing wrong is how dogs cycle through training programs and come out the other side unchanged.
Isn’t he just happy to see us?
Sometimes, yes. And here is the part nobody wants to hear: being happy doesn’t make the behavior harmless.
A dog who barrels through the house at top speed every time the door opens is rehearsing something. Every single repetition makes that pathway stronger. The dog isn’t learning to be naughty. He’s learning that this is how the world works, because from his side of it, the feedback is consistent: explode toward the door, and the door opens. The environment pays him whether you meant to contribute or not.
That last piece is the one owners wrestle with most. I didn’t reward that, they tell me. And they’re right, they didn’t. They didn’t have to. The door opened. The kids arrived. The walk happened. The reinforcer was delivered by life itself, and the behavior got stronger anyway. If you want the full mechanics of that process, my article on what people call leash reactivity covers how rehearsed behavior becomes what I’d call an almost impenetrable fortress, because that’s genuinely what years of practice build.
Will he grow out of it?
No. He will grow into it.
This is the single most expensive misconception in dog training. Owners watch a young dog explode with excitement and assume maturity will file it down. What actually happens is the opposite. The dog practices, the practice pays, and by the time he’s a hundred-pound adult with the impulse control of a toddler, the behavior has been rehearsed for years.
I have a client dog right now who is a perfect illustration. She is well-loved, well-planned-for, and fairly problem-free. She is also young and sizeable, on her way to well over a hundred pounds as a mature adult, and she arrived in my care already an expert in one specific skill: launching herself through the house at top speed to reach the door where fun lives.
Our last session was an exercise in patience. One of her favorite small people was present, and she knew enough to know that small people mean outside in the sunshine, roaming free of the yoke of responsibility. Then I ruined her plans. She was asked to heel to the sliding doors that represented freedom from oppression, hold a patient sit and stay while those golden gates opened, and when the new criteria weren’t met, retreat. All the way back into the dark interior of the home, to start again and rehearse calm, quiet, unhurried behavior.
It took far longer than it should have, because up until that point, nobody had ever explained to her that barreling through the house at top speeds to access the door to Narnia is simply unacceptable.
The work itself isn’t complicated to describe. Calm behavior is the only thing that opens the door, and rushing means the fun is delayed. What made it slow wasn’t the concept. It was the backlog. Every day she’d spent rehearsing the explosion was a day of interest accrued on a debt she now has to pay down.
But he listens when nothing’s going on
Of course he does. You taught him in the kitchen, and the kitchen has no kids, no door, no deer, and no delivery trucks. Training that only exists at that level of quiet isn’t finished. It’s infrastructure, and it’s exactly why I tell every new puppy owner the same thing: what needs to happen from day one, minute one, the moment they walk into your door, is an expectation and a way to meet it.
I write about this at length in Obedience Isn’t A Dirty Word, because the vocabulary people use to avoid the word “obedience” is doing real damage to real dogs. A dog who can’t hold himself together when something exciting happens isn’t expressing his emotional autonomy. He’s a passenger on his own nervous system, and the untrained dog gets the crate, the yard, and the back bedroom while everybody else gets to enjoy the party.
That’s also why equipment matters more in this work than most owners expect. A leash during high-arousal moments isn’t a punishment. It’s the physical version of the expectation. It’s what keeps the dog from rehearsing the explosion while you build the alternative, and it’s the difference between the dog practicing self-control and the dog practicing chaos. The tool doesn’t train the dog. It facilitates the lesson while the training catches up.
Would a second dog give him an outlet?
I get this question constantly, usually right around the time an owner has concluded that the dog is bored or lonely. Here is my answer, delivered with love: I have several sets of dogs in my care whose sole purpose in life appears to be committing chaos upon themselves, their human housemates, and every single thing that gets in their way.
Some are mature, middle-aged adults who spent a lifetime of over-indulgence in the ample laps of luxury, where absolutely no demands were ever made, until life tossed them into a new environment with a caregiver who understands implicitly that there are rules, and rules need to be followed. Others are youngsters, let loose into the world for the first time, graduated from the foster system with no safety net into a loving, permissive home that didn’t recognize the emergence of genetically pre-programmed behaviors. Couple that with opportunities to covet, possess, and defend resources, and you have the doggie equivalent of world war three.
We all know getting two at once is a fool’s errand, but nobody understands that until they’ve had the misfortune of experiencing it firsthand. It’s never easier. It’s always twice as hard. If you’re weighing that decision, read my article on littermate syndrome before you do anything else, and if a second dog is already walking through your door, the introduction is its own project. The short version is this: train the one you already have. A second dog is not an outlet for arousal. It’s a multiplier.
What actually changes it
I would be far more desperate for steady work, but my life would be far less complicated, if more owners understood this one thing: the dog you have to fix at three years old is the same dog who was cute at twenty pounds, and the only difference between those two dogs is the number of repetitions.
Arousal is not going away, and it shouldn’t. It’s the same engine that makes a dog fun or useful. The goal isn’t to extinguish it. It’s to build a dog who can be excited and still think, who has been rehearsing calm at the door since he was small enough to be carried away from it. Whether it’s rushing guests, jumping, barking at everything that moves, or the walk that turns into a full-contact sport, the underlying project is the same: interrupt the rehearsal, install an expectation, and hold it every single time.
If you’re in Carroll County, that’s the work I do in your home, with your dog, in the environment where the explosions actually happen. If you’re elsewhere, it’s the kind of work that translates well to online coaching, because the part that changes the dog is what ends up in your head, and that comes through a screen just fine. Either way, call me at 717-880-4751, or book a free 30-minute virtual consultation. Your dog isn’t out of control. He’s overexcited, he’s practiced, and he’s waiting for somebody to finally hold the standard.
Linda Kaim is a NADOI-certified trainer with over 40 years of experience and the owner of Lionheart K9 in Carroll County, Maryland. She works with owners in person and through online dog training. From puppies to performance, for people who take training seriously.
