"永远要爱他" 的英文翻译是 "always love him"。这句话的来源是来自英文中的一句常用的表达方式，表示对某人永远的爱。
下面是一些例句，希望能帮到您：
"I will always love him, no matter what happens." (无论发生什么，我都会永远爱他。)
"She always loved him, even when they were apart." (即使分开了，她也一直爱着他。)
"I knew from the moment I met him that I would always love him." (我从一开始就知道我会永远爱他。)