Japanese Stiltgrass as metaphor

Japanese stiltgrass is a very invasive plant, and it is all over our neighborhood, and in other areas around here.  I had never noticed it until Mary told me about it, and now I see it all the time as I run, walk, drive, etc.  All of this is incontrovertibly true.

And I let it bother me too much, although it is really well outside my control.  Yes, we can try to contain it in our yard, and we do, but beyond that my sphere of influence with regard to it is extraordinarily limited.  I could try to promulgate awareness of it in our neighborhood using the listserv, that is true, but beyond that my hands are tied.

In this regard, it is like so much else in life.  If I let it get to me, I have lost the battle already.  I have to pick my battles, or I will lose.  Continually.  And I this does not make me happier.  Quite the contrary.