YOU SAID:

don't feel so well...

INTO JAPANESE

とてもよく感じることはありません.

BACK INTO ENGLISH

You don't feel very well.

INTO JAPANESE

あなたは非常によく感じることはありません。

BACK INTO ENGLISH

You feel very well.

INTO JAPANESE

あなたは非常によく感じる。

BACK INTO ENGLISH

You feel very well.