6. They will demolish everything in their path when left alone.
Leaving a German Shepherd home alone can lead to unexpected surprises—or disasters. Their high energy and intelligence mean they need constant stimulation, and when they don’t get it, they’ll find their own ways to entertain themselves. This might involve chewing on furniture, tearing up pillows, or creating their own version of “home improvement.” Their mischievous behavior is a reminder that these dogs thrive on activity and engagement, so keeping them entertained is essential.