Have you ever felt cold when unhappy? Here's why!

Last night, when talking about life in general with my friend, I mentioned that emotions affect your body temperature and I was very surprised when she didn't know about it. Have you, fellow steemers, ever felt cold when sad? I personally need a blanket to snuggle under every time I'm sad. Or when I am happy, I get all sweaty. I wondered why that was and I found a picture that shows how emotions affect your body and it really piqued my interest.
Here's the picture, it's really interesting:

As you can see, emotions are not only abstract ideas, they have their own form aswell! I just wanted to show this to people who hasn't seen it yet, it intrigued me to study about the subject, I hope it intrigues you too!