This piece is exquisite very heart felt attributions in its timeless classic.
You know, it really makes you think in simplistic terms of nature's beckoning call asunder
keep the ink coming you have great talent in poetry just a heart felt message to you.
Thank you for your cooperation

the first three stanzas of your poem in themselves are a poem about "opportunity" the subsequent five are about "heartbreak for missing the opportunities" and the concluding stanza is of bewilderment "why only once?" I think all of them put together holds the secret of life..."only once"...
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.....And yet it is a sad feeling
that I can walk only once
into the same river.......

why sad
it's inevitable
the obverse of the same coin
a ticket
birth and death
conjoined

I took a day off trying to slow down my burnout rate!

I've noticed that women (not all) tend to write such smooth grooves
while men (not all) tend to write in a clunkier manner

you are super smooth here and elsewhere, and that, I think, is an attractive quality to all readers. It certainly is to me

just being known as a catalyst in the creation of a new and aromatic ester is in itself inspiring ( did I get this chemistry metaphor right?)

you have done it good again, girl

Note: don't walk "into" any doors, walk "through" them

a devoted fan,

Your poem resonates, opening
doors to other possibilities is a
great subject, and yours is smooth
and inviting.

I love the title. In your first stanza,
you color the door, there was no
need to, the title covers it quite nicely.

But maybe I am where I am only
because I did not walk through random doors
gleaming misleading promises,
offering nothing. Who knows.

If I might offer a sort of realignment
and an option or way to help with
natural flow;

But maybe I am where I am
only because of not turning handles
to gleaming, misleading promises
offering nothing, Who knows.

the last stanzas, the ending. It has a true poetic feel about it, how the river is always moving, always changing, like time. It by itself is a very powerful poem

Maybe I am where I am only
because I did not walk through random doors
gleaming misleading promises,
offering nothing. Who knows.

And yet it is a sad feeling
that I can walk only once
into the same river.

The rest of the poem for me is a nice read, a different variation to the Road Not Taken, with nice detail. But I don't know the references, so I don't know why the door is "green", which seems important as there is little other description of the door, other than perhaps one among the "random" doors of possibilities. It seems you are happy with your choices, where you are, as those doors were "gleaming misleading promises,/offering nothing". A little like The Journey, (Oliver) with the "voices shouting their bad advice.."
For me the finale of the poem is really powerful and universal. The body of the poem does not lead me there, but rather into a nostalgia of moments lost, which we all face almost daily, the lost dog, the face in the crowd you should have talked to more, a poem you meant to re- read.. yes, once the moment is gone, we miss our chance to fulfill it. But here I feel you are saying two things in a sort of contradiction- The green door which offers the possibility of change and nostalgia of lost possibilities, and the fact that you wisely reject walking into such doors with false promises..
But the finale deals with that in just the right way, introducing the river.
My take. This took me a long time to write and consider...

like all the other artists our work changes and matures, and we have failures and successes in each of the phases of our creative outputs. You are a good poet now, you will be a good poet later.
The only thing I am learning a little of as I mature is a little more patience with each new poem. I try to let it breath a while, as I come back to it with fresh blood and am willing to cut out and add things, and really try to go over every nuance before it feels cooked enough to serve. And even then, the comments you may get, or just your own intuition will have you revise.
I suggest join the American Association of Poets ($35) and get their magazines. The last issue one had a long and interesting article about Marianne Moore and her revisions. Her famous poem
"Poetry" which starts "I, too, dislike it.." went from original publication of 50 lines to the final version we see today, 3 lines. Now that is the extreme, but you get the point.
You will also find many interesting poems there by poets writing on the same level as you, Be happy with your best work! Try not to be too hard on yourself, you won't necessarily be a "better poet" as time goes on, just a different one.

Are Americans of Russian Origin allowed? :) [in a lighter vein only]
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I missed the open door but took to caring for others instead.
Damn morals, though they are respected throughout the world, it would have been wonderful to have gone through that Green door.

Loved your write and its journey, Probability tracts are all very well and they cross sometimes or brush alongside others travelling the same way, but for all that the journey is ones own.

A free mind now wanders across others tracts and watches as they grow, Take care and its great to walk with you, Yours Ian..x

This is beautiful, deep poetry, offering your unique personal attachment.

As usual I come too late to offer any critique not already offered and as usual Eumolpus is superb.

So just one point of 'English as second language' and my reading.

takes over all the hopes.
takes over all hope.
or
takes over all there is of hope.
or
takes over all hopes.

https://vocaroo.com/i/s14KakbDtR59

A nice journey of the mind/heart. One of the things I love about writing/literature is that you can dip into it time and again. Though we have probably changed some between our reads, which makes it a bit of a different read. This is great. Thx.