From Whirlwind to Marshmello: Calming Destructive Separation Anxiety

As we were chatting over Zoom, Reina’s eyes welled up with plump tears. She described the damage her dog, Marshmello, had caused in the weeks since she’d returned to a part-time job outside the home. Deep gouges in the doorframe. Holes in the drywall. Chipped paint scattered on the floor. Thousands of dollars worth of repairs. It was a jarring contrast to his soft, sweet name — Marshmello — a name that brought to mind something fluffy and comforting, not a whirlwind of destruction.

She was torn. Her heart was breaking for Marshmello’s obvious distress, while her stomach sank at the thought of losing her rental deposit and spending her modest paycheck on repairs instead of necessities. “So much for saving up,” she whispered, her voice cracking.

I felt that familiar pull of empathy. This wasn’t the first time I’d heard a story like hers, and sadly, it won’t be the last. But even through the tears, I felt something else — optimism. I knew there was a way forward, and I knew that with the right approach, Marshmello could learn to feel safe when left alone.

From the human perspective, destructive behavior is often one of the most distressing symptoms of separation anxiety. It’s expensive, stressful, and can shake a guardian’s sense of security in their own home. Seeing a chewed doorframe or a shredded sofa isn’t just frustrating; it’s a reminder that your dog is struggling in ways you wish you could fix instantly.

I understand why so many guardians become fearful of leaving their dogs or feel they have no choice but to confine them to a crate to prevent damage. And yet, here’s the hopeful truth: destructive behavior isn’t a sign that your dog is “beyond help.” It’s a symptom of fear, and fear can be addressed with compassionate, effective training.

Why Dogs with Separation Anxiety Become Destructive

When a dog is overwhelmed by fear, their body can react in big, physical ways. Scratching, chewing, digging, or tearing at objects can be an outward release of the intense stress flooding their system. For most dogs suffering with separation anxiety, destruction isn’t calculated or done with a specific end goal in mind; it’s simply what panic looks like when it takes over.

In those moments, your dog isn’t “acting out” in the way we might think of deliberate misbehavior. Their heart may be pounding, their muscles tense, their breathing rapid. The destructive behavior is a visible expression of the anxiety storm they’re experiencing inside.

Just as some people pace, wring their hands, or bite their nails when anxious, dogs with separation anxiety may channel that inner turmoil into damaging the space around them. It’s not a sign of spite; it’s a sign they’re struggling to cope.

And here’s the good news: because this behavior is fueled by fear, there is a way forward. By helping your dog feel safe when alone, you can reduce the panic, and with it, the destruction.

Why Crating Usually Isn’t the Answer

Many guardians understandably think, If I can contain my dog, I can contain the damage. Unfortunately, for a dog with separation anxiety, confinement often increases the intensity of their panic. I’ve worked with dogs who injured themselves trying to break free from a crate. They can bloody their nose, break teeth, or tear nails. These injuries are not just physical; they’re a sign of deep distress.

What’s important to understand is that destructive behavior in dogs with separation anxiety happens when they’re in a state of panic, and it disappears when they’re comfortable. When their people are home, the destruction isn’t there because the fear isn’t there. That’s why, in separation anxiety training, we keep all alone-time practice beneath the dog’s threshold of anxiety — their panic point, if you will. At these carefully chosen durations, your dog remains calm, and there’s no destructive behavior to prevent. Which means a crate isn’t needed.

This is also one reason why we use management strategies while we work on training. Preventing your dog from being left alone long enough to panic protects both their emotional well-being and your peace of mind. Managing alone time is a temporary measure, and I want to stress that word — temporary. There are many creative, practical solutions to help bridge the gap while your dog learns to feel safe, and I’ve shared several of them in my management blog posts.

The Path Forward: Training for Comfort, Not Containment

The good news is that destructive behavior tied to separation anxiety isn’t inevitable. By addressing the root cause, your dog’s fear of being alone, you can help them reach a place where they no longer feel the need to claw, chew, or escape.

This is where gradual desensitization comes in. It’s the process of helping your dog learn, step by gentle step, that being alone is safe. We start with durations your dog can handle without distress, then slowly increase that time at their pace.

The transformation can be remarkable. I’ve seen dogs go from splintering doorframes to resting peacefully while their guardians run errands. It’s not magic, and it’s not instant — but it’s possible.

A Final Word of Hope

If your dog’s destructive behavior has left you feeling helpless or frustrated, please know you’re not alone, and your dog isn’t doing this out of “naughtiness.” They’re behaving in the only way they know how to try and cope.

With patience, compassion, and a structured plan, you can move past the damage and into a new chapter. A time where you return home to find your belongings intact, and your dog resting calmly, waiting for your return.

I think of Reina and Marshmello often. The journey wasn’t easy, but little by little, the gouged doors and cracked paint became a thing of the past. Today, Reina comes home to a relaxed dog with a wagging tail, and a home that looks just the way she left it. These days, Marshmello has truly lived up to his name: soft, sweet, and a source of comfort rather than chaos. That’s the power of meeting fear with understanding, and it’s a transformation that’s possible for you and your dog, too.

If you and your dog are struggling and need some guidance, we are here to help. We are happy to schedule a call at no charge to discuss your needs and provide you with hope.

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About Malena DeMartini

Malena DeMartini is renowned in the dog training industry for her work with separation anxiety over the past two decades. She is the author of two groundbreaking books on the topic, and the founder of the Separation Anxiety Certification program. More information about Malena and resources about separation anxiety can be found on her website at:

About Malena

Malena DeMartini is renowned in the dog training industry for her work with separation anxiety over the past two 

decades, for more information about Malena Read More…

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