Read the following article and answer the question.

And I ' m not talking about age , either . He reminded me of every stereotypical war veteran hanging out at the VFW . Swapping war stories , bitching about those damn kids and generalizing how if he was in charge , things would be better ... with hardly any direct points as to how . Dude , you 're really showing your age .

What may be a fact about what this person is engaging in ?
They are complaining about a veteran .