YOU SAID:

i feel happiness when i eat a potato

INTO JAPANESE

ジャガイモを食べると幸せを感じる

BACK INTO ENGLISH

I feel happy when I eat potatoes.

INTO JAPANESE

ジャガイモを食べると幸せな気分になる。

BACK INTO ENGLISH

Eating potatoes makes me happy.

INTO JAPANESE

ジャガイモを食べると私は幸せになります。

BACK INTO ENGLISH

Eating potatoes makes me happy.