YOU SAID:
why are you so friendly??
INTO JAPANESE
なんでそんなに優しいの?
BACK INTO ENGLISH
Why are you so kind?
INTO JAPANESE
なぜそんなに...
BACK INTO ENGLISH
Why are you so...?
INTO JAPANESE
なぜそんなに...
BACK INTO ENGLISH
Why are you so...?
That didn't even make that much sense in English.