And now, what can I say towards your story? 

I am not the best at judging texts and interpreting stories but I must say that it´s quite well written by using those descriptions that you have been exposing in these fics. It almost seems like you are in your comfort zone while typing those parts. I cannot be the only one pointing out that your descriptions do hold a pattern between getting philosophical and explaining the context. 

So, the main character here is Cosmos (pink text) and comes in a 1st person narrative. We see from her that her old age has made her bored of her existence as a single star. It´s quite odd to have a disembodied protagonist that is yet to get some form and if this were animated, we would have to perceive a distinct visual aspect from her or some signs besides her character. 

So what we see here are these aspects from the introduction: 
> My adventures. My exploits. My travels across the... Cosmos 
a justification of her name
> Though I will return to my lover. 
> He is my lessor half after all.
> I can feel it near. He is alive on the earth below. 
her motivation to exist: meeting Discord and become his eternal girlfriend

> Always speaking in their riddles and trying to sound like wise sages. 
> They always would pout and be mad. Trying to hold me by a mortal based morality. 
her motifs to be angry towards the other protagonists: four other stars that always act as wise, sages in comparison to her rebellious attitude. This means that the author has established a context for her just to see that Cosmos was born because of corruption, remorse towards the other stars and finally, acknowledging what she likes the most: cause chaos to her pleasure.

Mostly because of these lines:
> I am a horrible listener. 
> A being like me can't have flaws. 
> Being a constellation in the sky is rather... boring to say the least 
combining her boredom as a star, she has given up at listening to them. One has to highlight that she doesn´t consider herself as flawed, so this means that everything that she does will be seen as perfect to her sight. This explains why Discord has known the limits of using chaos but Cosmos didn´t. In this regard, this fic is useful at trying to justify her existence and go further with the lore behind her. 

From my experience at reading this, I was wondering at some moment if I was reading a FiM story because of the stars attitude. If it wasn´t because of their reasons to act serving for Princess Luna and stay as guardians of the universe, the fic could have been perfectly interpreted as a philosophical take at metaphysics. The one that drives and goes all out in this fic is Cosmos, whose actions pay off in the end. It´s like the author made the stars too pretentious at their existence so the reader almost feels bored because of them as well and this is where Cosmos shines the best here, the actions are driven by her intentions.