YOU SAID:
I have never felt nostalgic
INTO JAPANESE
私はノスタルジックな気分を感じたことはありません
BACK INTO ENGLISH
I never felt a nostalgic feeling
INTO JAPANESE
私はノスタルジック感を感じなかった
BACK INTO ENGLISH
I did not feel nostalgic
INTO JAPANESE
私はノスタルジックな気がしなかった
BACK INTO ENGLISH
I did not feel nostalgic
That didn't even make that much sense in English.