他认为，好奇心是第三个关键因素，也是一个很难保持的因素。

Curiosity, he argues, is the third key factor—and a difficult one to preserve.

youdao

然而，值得牢记的是倡导一个全面健康的生活方式是一件真正要重视的事情。当它保持你的心能处于最佳状态。

However, it's worth remembering that leading a healthy overall lifestyle is the thing that really matters when it comes to keeping your heart in top condition.

youdao

一个承诺有助于你时刻保持责任心。

A commitment helps you stay accountable.

youdao