the quality or degree of being grateful or fortunate; the sense of gratitude or blessing.
人の助けのありがたさを改めて感じた。
I was reminded of how grateful I am for people's help.
健康のありがたさを知るのは病気になってからだ。
You realize the value of good health only after you get sick.
小さな親切のありがたさを忘れないでほしい。
I hope you don't forget to appreciate small acts of kindness.