Yup, this is a definite wall in my career too. There is simply no way to get where I want to be, if I can't calmly explain stuff to my boss's boss. I dread be

Yup, this is a definite wall in my career too. There is simply no way to get where I want to be, if I can't calmly explain stuff to my boss's boss. I dread being discovered as "that guy who gets really nervous". And of course that makes it worse. Stay strong, brother.