adolescence and patience. Pet Care due to teething exercise increased energy mental stimulation positive reinforcement What are the hardest months of raising a puppy? January 30, 2026 by pups | Leave a Comment Raising a puppy is a rewarding experience, but it also comes with its challenges. While every puppy is different, some months tend to be more difficult than others due to developmental stages and common behavioral issues. Generally, the period between 4 to 9 months is often considered the most challenging phase of puppyhood.[1] What Makes […] Read more »