wishing you happiness为什么要加ing

　　happiness的例句：

　　She radiates happiness and health.

　　她浑身洋溢着快乐与健康。

　　We all desire health and happiness.

　　我们都渴望健康和幸福。

　　What's your definition of happiness?

　　你对幸福的定义是什么？

　　Money is not essential to happiness.

　　金钱对于幸福并非必不可少。