You want him to know that it is okay to express negative emotions, but he can't do it in a way that harms others or himself.

你需要让他明白，表现出自己的负面情绪没有问题，但是不可以伤害别人和自己。

youdao

The highest possible honor in the communal Gand society, janwuine involved the right of an individual to speak of her- or himself in the first person and to use personal pronouns in conversation.

在公社式的甘德人社会，“詹威因”是可能获得的最高荣誉。获此殊荣意味着有权以第一人称称呼自己，在交谈中使用人称代词。

youdao

The person can not make many decisions for himself or herself.

VOA: special.2009.03.29

I recover some hope that one time or other this writing of mine may fall into the hands of a sovereign who will consider it for himself, for it is short and I think clear."

希望有一天,君王有机会能看到这本,我自认为简短易懂著作，并仔细斟酌其中蕴含的思想“

耶鲁公开课 - 政治哲学导论课程节选

Milton, who had died in 1674, had established himself as a great English poet within twenty or so years of his death.

弥尔顿死于1674年，死前花了20多年,奠定了他伟大英国诗人的地位。

耶鲁公开课 - 弥尔顿课程节选

As a starting point, assume that each of us is only able to produce enough output for herself or himself to survive.

FORBES: Why Social Security Can't go Bankrupt: Rerun

Was he working for the House of Saud, America or himself?

ECONOMIST: Prince Bandar bin Sultan was an envoy like no other

Someone else, or himself, or a little of both.

NEWYORKER: The Cold Outside