Beware of psychologization of disease that isn't fully understood yet. There were also times when scurvy was considered another form of laziness and cholera an indication of moral failing.
I did that hoping that the information I provide (even though somewhat personal) could help others and form an interesting discussion. At least to me, discussions on HN where people share personal experiences provide a lot more value than reading articles on the topic.
It would seem to me, based on the above, that you are experiencing anxiety about the long COVID issue and thereby exasperating the “symptoms”.