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

When you use "You look", you want to be sure it's with someone who you're close to,

使用“You look”，一般是用在与你很亲密的人身上，

You look 课堂 - SpeakingMax英语口语达人