Daisy's Pet Playground - Puppies and older dogs will go through "Fear Stages" as a normal part of their development. Below is a link to an article that does a good job
![Sudden Behavior Changes in a Growing Puppy: The Second Fear Period — Orlando Florida Dog Training - Central FL Dog Trainer | Dog Obedience | Dog Aggression | Dog Behavior Modification Sudden Behavior Changes in a Growing Puppy: The Second Fear Period — Orlando Florida Dog Training - Central FL Dog Trainer | Dog Obedience | Dog Aggression | Dog Behavior Modification](https://images.squarespace-cdn.com/content/v1/51805594e4b01d30b4a1cffc/1563237123183-88U2DRN84UTMIC7V84U9/53287695_2162877220447678_2521058052275175424_o+%281%29.jpg)
Sudden Behavior Changes in a Growing Puppy: The Second Fear Period — Orlando Florida Dog Training - Central FL Dog Trainer | Dog Obedience | Dog Aggression | Dog Behavior Modification
![Puppy Fear Periods: 5 Simple Tips That Can Save Your Puppy! | Puppy training, Puppy socialization, Puppy development Puppy Fear Periods: 5 Simple Tips That Can Save Your Puppy! | Puppy training, Puppy socialization, Puppy development](https://i.pinimg.com/originals/ce/41/e2/ce41e23d037b54d65f3b860d6ff73428.png)