Puppy Development Guide from Birth-Adulthood
The Timeline That Matters
3–14 Weeks: The Foundation
Everything is “normal” if introduced positively
This window does not reopen
4–6 Months: Reinforcement Phase
This is where most people stop.
Don’t.
Continue:
New environments
Controlled exposure
Positive associations
Leadership
6–24 Months: The Reality Check
This is where dogs:
Regress
React
Test
This is not failure. This is development.
What works:
More structure
More intentional exposure
Reward-based training
Leadership
Not accidently reinforcing unwanted behaviors
What doesn’t:
Punishment
Avoidance
“Waiting it out”
If You Missed the Window
You’re not stuck—but you are on a different path.
Adult dogs can improve through:
Desensitization (controlled exposure below threshold)
Counterconditioning (pairing triggers with positive outcomes)
But this is not casual training.
Research shows nearly 44% of owners struggle to follow through without professional support.
👉 Work with Risa at Learn From George
Book a free phone consultation