Ask HN: How to stop being so anxious about job interviews?

Before I started: yes, I have generalized anxiety disorder, properly diagnosed, properly treated. It has not bothered in me in years, and for someone who couldn't get a haircut without feeling the heart racing to 150bpm, it's been really great. All that therapy and (some, intermittent) medication worked, except for one use case: job interviews. It's not even a career-related anxiety: I manage large teams and am able to deal with all sorts of people at levels junior to EVP, no problem, very little is capable of throwing me off-balance. Yet here I am. I have a Meta interview later tonight, and I feel lightheaded, sick, and weak-kneeled. I measured my temperature and I've got a minor fever. Couldn't sleep at night. All psychological - I am not sick. Thinking about it, here are some of the things that cause all those reactions: 1) Fear of embarrassing myself in front of very senior/accomplished people. 2) Getting stuck/blocked or coming up with a laughabl