If you say about fear. I can tell you that once I was afraid of attack, which can come from "everywhere", I mean non-physical attack which can also leave physical changes.Perhaps this may give you some confidence with understanding what the condition of fear does to immobilize your protection.
I was scared to sleep and fall a sleep until I was completely exhausted in the morning.
Fortunately, I did something about it because I would have gone crazy otherwise.
Yes, it's important. At times right frame of mind is "everything what is" and is significant.You can do it with the right frame of mind.
Sometimes we are too little against various threats.And remember, there are 5,440 Members on this forum to consider as a valued resources. All you needed to do, is ask.
It's good material, but it is not exactly the problem which I have on my mind, but thank you because it's good material and I listened the whole recording."A Surprising Cure for Fear of the Unknown "
In social interaction I am quite confident and I develop that confidence step by step. But it can be more faster, I admit.