Does anyone else have such bad performance anxiety that they get an actual high after?

Before the performance, I’m so incredibly nervous to the point of almost passing out or throwing up. Very negative thoughts too. During the performance, my physical symptoms usually persist but mentally I feel a bit better now that it’s already started. And after the performance, I feel like a superhero. I feel like I can do ANYTHING, I am bubbly and laughing at everyone and everything, I have this overwhelming sense of positivity wash over me, and I lose all my inhibitions and honestly say whatever comes to mind, which I don’t do normally.