Dog's personalities change over time similar to humans

Dogs’ personalities can also predict many important life outcomes suggesting that canines’ personalities influence how close they feel to their owners, biting behaviour and even chronic illness.

from Hindustan Times - lifestyle https://www.hindustantimes.com/more-lifestyle/dog-s-personalities-change-over-time-similar-to-humans/story-AGieTRHEpERnjPt7exM0tL.html>