YOU SAID:
My brain and behavior class is so boring
INTO JAPANESE
私の脳と行動のクラスはとても退屈です。
BACK INTO ENGLISH
Brain and behaviour in my class is so boring.
INTO JAPANESE
私のクラスの脳と行動は、とても退屈です。
BACK INTO ENGLISH
Brain and behaviour in my class is so boring.
You've done this before, haven't you.