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.
That didn't even make that much sense in English.