YOU SAID:

I don't know what I was thinking, leaving my son behind.

INTO JAPANESE

息子を置き去りにして何を考えていたか分からない。

BACK INTO ENGLISH

I don't know what I was thinking when I left my son behind.

INTO JAPANESE

息子を置き去りにした時何を考えていたか分からない。

BACK INTO ENGLISH

I don't know what I was thinking when I left my son.

INTO JAPANESE

息子を置き去りにした時何を考えていたか分からない。

BACK INTO ENGLISH

I don't know what I was thinking when I left my son.