I imagine this is how it's going to feel tomorrow, " and the day after that and the day after that."

估计明天也是这种感觉，以及以后的每一天“

耶鲁公开课 - 死亡课程节选

And it's a way to communicate how you feel that about this possibility is not existing for you.

当你想谈论一些不会在你身上发生的事情时，你可以用“If I were”句型来跟人交流。

If I were 课堂 - SpeakingMax英语口语达人

In other words, how is it that we feel the need to make things up?

换句话说，究竟是什么使我们想编故事？

耶鲁公开课 - 文学理论导论课程节选