YOU SAID:

My stomach turned at the thought of the stars and my heart pounded louder than the ones I had before

INTO JAPANESE

星のことを考えると胃が痛くなり、心臓は以前よりも高鳴りました

BACK INTO ENGLISH

Thinking about the stars made my stomach hurt and my heart beat faster than before.

INTO JAPANESE

星のことを考えるとお腹が痛くなり、心臓の鼓動が前より早くなりました。

BACK INTO ENGLISH

Thinking about the stars made my stomach hurt and my heart beat faster than before.