I’ve taken flak for saying this in other contexts, but this comment on a frustrated history PhD’s failure to land a tenure-track position hits the nail on the head:
my own experience has been very similar although now i’m glad that i left the humanities and i believe that the humanities themselves should be completely erased as actual graduate disciplines. so many wasted minds, so much wasted capital for really very little societal value and much much grief to very smart individuals only to keep up a very vague idea that a university teaches you “how to think” or how to “read” or “how to write.”
the irony is that, given the current way in which most writing and reading occurs, taking a humanities course in milton, cervantes, or baudelaire may actually make you a worse writer and reader for today’s environment… but i digress.
i encourage you to think of this as an opportunity and to go outside of the field completely. i myself am now a software engineer although i once did a phd in comparative literature. it is possible to change, and it can be very fulfilling.