Can i put a dog down at home?
Doggy beds and pillows haven't always been around, so wild dogs had to pat down tall grass and underbrush to make a comfortable bed for themselves and their pups.
The easiest way to prepare that night's sleeping area was by walking around in a circle.
The rounding ritual may also have served as a safety precaution.
Age. As a general rule, dogs mature to full-size around 12 to 18 months, with some large breeds taking up to two years.
When a dog matures does factor into when the dog begins to calm down - but dogs of many breeds don't calm down when they become adults.
Long-term behavior changes are usually positive if the spay or neuter was performed at a young age.
For example, male dogs may become less aggressive.
This means that some dogs will "calm down" over the next few months, while others may take years to calm down.