YOU SAID:

of course because I broke

INTO JAPANESE

もちろん私が壊れたので

BACK INTO ENGLISH

Because of course I broke down.

INTO JAPANESE

もちろん、私は壊れたからです。

BACK INTO ENGLISH

Because, of course, I broke down.

INTO JAPANESE

なぜなら、もちろん、私は壊れたからです。

BACK INTO ENGLISH

Because, of course, I broke down.