30/06/2026
👉Four months is when your puppy stops being a baby and starts becoming a dog.
👉They’re more capable, more independent, and significantly more opinionated! Recall that worked perfectly at 12 weeks suddenly needs more reinforcement. Things they were confident about might make them hesitant now. The chewing you thought would taper off actually intensifies because adult teeth are coming in and they have more jaw strength.
👉This isn’t regression, it’s progression. Your puppy is growing up, which means behaviors need to be actively maintained instead of passively existing.
👉👉The second fear period (4-6 months) overlaps with this age. Even well-socialized puppies become more cautious about new experiences. They’re making long term decisions about what’s safe versus what’s threatening. This is normal development, not a sign you did something wrong.
👉Recall becomes harder because the environment is more reinforcing than it used to be. At 10 weeks, staying near you was instinctive. At 4 months, exploring that interesting smell or chasing that squirrel feels more valuable. If you haven’t been building voluntary check-ins and practicing recall in gradually increasing distractions, this is when the gaps show up.
👉The good news is everything you built from 8-16 weeks still exists. The foundation is there. It’s just being tested by normal developmental changes. When behaviors feel less reliable, that’s information, not failure. It tells you where to add more practice, higher value rewards, or better management.
✅This is the age where consistent effort matters most. Puppies who seem “perfect” at 12 weeks often struggle at 16 weeks not because the training failed, but because easy conditions made average work look exceptional. Now you’re seeing what actually needs reinforcement.
Four months isn’t a crisis. It’s a checkpoint. Adjust your approach, stay consistent, and recognize that growing up means behaviors need active maintenance not just one time teaching.
✅For age-appropriate training strategies, visit https://thesmartdog.co.za