YOU SAID:

I found my friends. They're in my head.

INTO JAPANESE

私の友人を見つけた。 彼らは私の頭の中です。

BACK INTO ENGLISH

I found my friends. They are in my head.

INTO JAPANESE

私の友人を見つけた。彼らは私の頭の中は。

BACK INTO ENGLISH

I found my friends. They are in my head.