“他知道自己想要什么，不用你操心” 英语怎么说

He knows what he wants,so you don`t need to worry about that.

He knows what he wants , you mustn't worry.

He knows what he wants,so you don't worry .

He knew what he wanted,you didn't need to worry about that.

He knows what he wants, so you no need to worry about him. 这样说会比较体面。

He knows what he wants, do not you worry about。相信我，不会有错。。。