YOU SAID:

When i was younger, i was crazy

INTO JAPANESE

私が若い頃、私は狂っていた

BACK INTO ENGLISH

When I was young, I was crazy.

INTO JAPANESE

私は若い頃、私は狂っていました。

BACK INTO ENGLISH

I was crazy when I was young.

INTO JAPANESE

私は若い頃は気が狂っていた。

BACK INTO ENGLISH

I was crazy when I was young.