YOU SAID:
my friend promissed me she wouldn´t replace me but I think she did and I know its stupid but I am so jealous
INTO JAPANESE
私の友達は私の代わりにはならないと約束してくれましたが、彼女はそうしてくれたと思います、愚かなことはわかっていますが、とても羨ましいです
BACK INTO ENGLISH
My friend promised not to replace me but I think she did, I know it's stupid but I'm so jealous
INTO JAPANESE
友達は私の代わりをしないと約束したけど、彼女はそうしてくれたと思う、愚かなことだと分かっているけど、とても羨ましい
BACK INTO ENGLISH
My friend promised not to take my place but I think she did, I know it's silly but I'm so envious
INTO JAPANESE
私の友達は私の代わりにならないと約束したけど、彼女はそうしてくれたと思う、ばかばかしいのはわかっているけど、とてもうらやましい
BACK INTO ENGLISH
My friend promised not to take my place but I think she did, I know it's stupid but I'm so jealous
INTO JAPANESE
私の友達は私の代わりにならないと約束したけど、彼女はそうしてくれたと思う、愚かなことだと分かっているけど、とても羨ましい
BACK INTO ENGLISH
My friend promised not to take my place but I think she did, I know it's stupid but I'm so jealous
That didn't even make that much sense in English.