YOU SAID:
"You’re the only thing in this world that keeps it from going dim," you tell yourself
INTO JAPANESE
「この世界で暗くならないのはお前だけだ」と自分に言い聞かせる。
BACK INTO ENGLISH
He tells himself, "You're the only one who can't get dark in this world."
INTO JAPANESE
彼は「この世界で暗くなれないのは君だけだ」と自分に言い聞かせる。
BACK INTO ENGLISH
He tells himself that you are the only one who can't get dark in this world.
INTO JAPANESE
彼はこの世界で暗くなれないのはあなただけだと自分に言い聞かせる。
BACK INTO ENGLISH
He tells himself that you are the only one who can't get dark in this world.
That didn't even make that much sense in English.