YOU SAID:

sick and tired of eating the same thing at the same time

INTO JAPANESE

病気と同じ物を同時に食べることにうんざりしている

BACK INTO ENGLISH

I am tired of eating the same thing as my illness at the same time

INTO JAPANESE

私は病気と同じものを同時に食べるのにうんざりしています

BACK INTO ENGLISH

I am tired of eating the same thing as my illness at the same time