Karen B. London, PhD, explains how previously harmonious dog-to-dog relationships shift as dogs age. Her thoughts provide added considerations as our industry gears up for social anxiety issues.
Younger dogs who’ve been deferential to older dogs often start to assert themselves as they mature and become more confident while the older dog weakens or declines.”
Source: The Bark, August 2020. Link. NO, he will not grow out of it. Because the younger dog will continue to mature and the older dog will continue to age, this change in the dynamic between the two of them is unlikely to be temporary.