It doesn’t matter if the anxiety is warranted or not; if your brain is used to doing something, it’ll do it. “People are creatures of habit, which means we become conditioned to our environments, situations, and experiences because they are what we can expect – whether it is safe, makes sense or is helpful,” says Janika Joyner, a therapist and owner of Higher Elevation Psychosocial Services, LLC in Chesapeake, Virginia.
Article source: https://www.huffingtonpost.co.uk/entry/why-being-calm-is-making-you-anxious_uk_628f8ba3e4b0933e73703cd7