NOT EVEN THEORETICALLY, HE WAS, HE WAS HIS REPLACEMENT AND THEN HE GOT REPLACED
AND YYYYYYEEEEEES SSHKDHWJXHWOFUSB LOOK
"i could've been anyone, anyone else
before you made the choice for me"
Nexus had to be like Old Moon, but also be better than Old Moon, and he didn't get to decide at all
"We walked in the dark, in the dark
I never gave a single thought to where it might lead"
Nexus was too curious but he just assumed "well i guess i have to be Moon, i guess i have to protect my family, i guess i have to learn science, what happens later to me, what i really like and who i really am? i can think about that later (he never could)
this part feels like Nexus having to just live in the place where Old Moon lived and use his things, while also carrying the weight that didn't belong to him about how Old Moon was a horrible person for the past years to Sun
"we made our peace with weariness and let it be"
him emending all that with Sun, being a better brother while deep down feeling like he doesn't really feel okay with New Moon and sometimes not even safe (not even for a hug)
i feel the first lines of the chorus is New Moon saying "I love you" to Sun many times, (i love you like Old Moon loved you too) wich made Sun feel awkward and just answer with small "i love you too"s or not getting an answer
"bore the shadows that you made with no light of my own"
Nexus had to endure the "shadows" (problems) Old Moon caused while also not really having a true support on that matter, cause Sun still saw him as Old Moon, Lunar didn't like him for not being Old Moon, Earth was new to all this and barely helped with that and Monty only knew that Old Moon still could be back and he thought about giving New Moon's life to bring him back
"I shine only with the light you gave me"
i have two ways to see it
without Sun's support on him being himself and not like Old Moon, with Sun seeing him like Old Moon no matter what, Nexus couldn't shine
and then Solar died and Sun was barely there for New Moon while he was going far too deep in depression and grief, so he couldn't shine, not without Sun
Oooor, New Moon only shines when Solar arrived, he was more like himself, because Solar was the only one who met Old Moon but wouldn't compare him in a any way to him. Solar accepted New Moon for who he really was and made a great team with him
so when Solar dies, New Moon's first ever and only friend he made by himself also dies for him, and thus he can't shine anymore, there's no way to bring back his joy cause his family couldn't give him that enough (proved for how everyone else handled grief but didn't really check on him)
we could have had anything, anything else
instead, you hoarded all that's left of me"
they could've been better, they could've helped each other, but Sun only took the memories he had with New Moon, and sealed away the memory of Nexus and THE GUILT of what he did and what he was pushed to do
like swords to the pit of my belly"
Sun disowning Nexus, Sun accepting Old Moon back just like that, Sun killing Nexus, Sun sealing Nexus to another place forever
"i want to feel the fire that you kept from me"
βNONE OF YOU COULD REALIZE, I'M MY OWN PERSON"
Nexus only really wanted to feel loved and accepted and helped for who he really is and not who he was supposed to be, and Sun only showed how much he cared for him way too late, as Old Moon is accepted back in the family and they threw away his stuff, selled the house and left to another place, Nexus realized he would never have that with them.