YOU SAID:

I'm going to kill myself by shooting myself in the head

INTO JAPANESE

頭を撃って自殺するつもりだ

BACK INTO ENGLISH

I'm going to shoot myself in the head

INTO JAPANESE

自分の頭を撃つつもりだ

BACK INTO ENGLISH

I'm going to shoot myself in the head.

INTO JAPANESE

自分の頭を撃つつもりだ。

BACK INTO ENGLISH

I'm going to shoot myself in the head.