As we age, there is loss. That loss is like a presence that follows us relentlessly like a shadow. No avoiding it. No pretending. We are mortal. The people we love are mortal, perhaps imminently so. This is part of the rules of engagement. And while most of us avoid thinking too much about it, poets like Mary Oliver offer life instructions:

To live in this world, you must be able to do three things:

To love what is mortal

To hold it against your bones knowing your own life depends on it;

And, when the time comes, to let it go, to let it go.

I honestly don’t know which of these three rules is the hardest. Right now, they each seem nearly impossible. But having the courage to follow these instructions feels like the answer.

Her full poem is below.

Look, the trees
are turning
their own bodies
into pillars

of light,
are giving off the rich
fragrance of cinnamon
and fulfillment,

the long tapers
of cattails
are bursting and floating away over
the blue shoulders

of the ponds,
and every pond,
no matter what its
name is, is

nameless now.
Every year
everything
I have ever learned

in my lifetime
leads back to this: the fires
and the black river of loss
whose other side

is salvation,
whose meaning
none of us will ever know.
To live in this world

you must be able
to do three things:
to love what is mortal;
to hold it

against your bones knowing
your own life depends on it;
and, when the time comes to let it go,
to let it go.

“In Blackwater Woods” by Mary Oliver, from American Primitive. © Back Bay Books, 1983.