YOU SAID:

I just imagined shooting myself in the head and it was realistic, I don't know where the image came from but it just came into my head

INTO JAPANESE

私はちょうど頭の中で自分自身を撮影想像し、現実的だった、私はイメージがどこから来たのかわからないが、それはただ私の頭の中に入った

BACK INTO ENGLISH

I just imagined shooting myself in my head, it was realistic, I do not know where the image came from, but it just went into my head

INTO JAPANESE

私はちょうど私の頭の中で自分自身を撮影想像した、それは現実的だった、私はイメージがどこから来たのか分からないが、それはただ私の頭の中に入った

BACK INTO ENGLISH

I just imagined shooting myself in my head, it was realistic, I do not know where the image came from, but it just went into my head