Chewing is a normal behavior for dogs. When they chew furniture or objects around the house, they aren't purposefully being "bad", they just simply haven't been taught what's appropriate and inappropriate to chew. When it comes to destructive chewing, that usually means a dog’s emotional or physical needs aren’t being met. Dogs chew to self-soothe, relieve stress, explore, or burn excess energy. So while boundaries (including appropriate punishment) are part of the solution

Every year, millions of dogs enter shelters, and most never leave. Every year, hundreds of thousands of dogs are euthanized, largely due to behavior issues like aggression, anxiety, etc. Dogs aren’t surrendered or euthanized because owners just “give up.” It's because help came too late, they got horrible advice, and/or the cost of behavior rehab became impossible. A single aggression case can cost $2,000–$8,000. Most families can’t afford that overnight. That's exactly why w