YOU SAID:
I've got to use my head and think!
INTO JAPANESE
私は頭を使うと思う持っている!
BACK INTO ENGLISH
I use my head and have!
INTO JAPANESE
私の頭をしている!
BACK INTO ENGLISH
You are in my head!
INTO JAPANESE
あなたは私の頭の中は!
BACK INTO ENGLISH
You are in my head!
Okay, I get it, you like Translation Party.