YOU SAID:

I ate diarrhea today and it was really good

INTO JAPANESE

今日は下痢を食べ、本当に良かったです

BACK INTO ENGLISH

I had diarrhea today and it was really good!

INTO JAPANESE

今日は下痢をして、本当に良かったです。

BACK INTO ENGLISH

I had diarrhea today and it was really good.

INTO JAPANESE

今日は下痢が起こっていて、本当に良かったです。

BACK INTO ENGLISH

I had diarrhea today and it was really good.