Let me try this translation.
It's a shameful story that I'm suspected that I'm completely incapable of understanding the sense of taste, which is one of the three important factors in a human life; food, clothing, shelter, as if I was a pig being satisfied with anything given and expired.
難しい文章なので正直あまり自信ありません…。翻訳への質問があればお気軽にどうぞ。