YOU SAID:
my pillow is my best friend
INTO JAPANESE
私の枕は私の親友
BACK INTO ENGLISH
My best friend was my pillow
INTO JAPANESE
私の親友は私の枕
BACK INTO ENGLISH
My best friend is my pillow.
INTO JAPANESE
私の親友は私の枕です。
BACK INTO ENGLISH
My best friend is my pillow.
That's deep, man.