Crisis of doubt

There's an extensive literature on deconversion. Indeed, narratives of apostasy tend to occupy a stereotypical genre. A formulaic plot. I believe this got started in Victorian literature.

There is, however, the neglected phenomenon of reverts. Just as there can be a crisis of faith, there can be a crisis of doubt. The traffic goes both ways. Converts, reverts, and deconverts:

https://www.booksandculture.com/articles/2007/julaug/1.9.html?paging=off