Again,I want to just notice that it's a rather odd thing to try to express that point in the language everyone dies alone.

我还是觉得“人都是孤独而亡“这观点,这个诠释是很奇怪的。

耶鲁公开课 - 死亡课程节选

Of course the most common use of the "I want to" pattern is when you express your desire for something.

当然，“I want to”句型最常见的用法是用来表达你对某事的愿望。

I want to 课堂 - SpeakingMax英语口语达人

As I mentioned, you can also use "I wish" when you express something that you do not want to have happen.

就像我之前提到的，当你想说明你不希望发生的事情时，你也可以用“I wish”。

I wish 课堂 - SpeakingMax英语口语达人

The "I'd rather" pattern is used to indirectly express that you don't want to do something.

I'd rather”句型是用来间接地表达你不想做某件事。

I'd rather 课堂 - SpeakingMax英语口语达人

You could use the "I want to" pattern to express something much less practical as well.

你也可以用“I want to”句型来表达不太现实的事情。

I want to 课堂 - SpeakingMax英语口语达人