Things are starting to calm down with raising my children, but they are still of age in which they need support.
That's why, regarding my own career, I carry around with me a vague sense of anxiety at all times.
ご質問ありがとうございます。
"Things are starting to calm down with raising my children"＝「子育ては落ち着き始めているけど」
"but they are still of age in which they need support."＝「まだ子供たちはサポートが必要な年齢です。」
"That's why, regarding my own career, "＝「なので、自分自身のキャリアについては」
"I carry around with me a vague sense of anxiety at all times."＝「常に漠然とした不安を感じています。」
ご参考に。
アメリカ合衆国 
日本 
