This one definitely has shades of my own personal take (aside from just the ginger beard) on traditional "work ethics" and life-work balance in that I never understood the dynamic of work ethic being intrinsic to one's sense of self worth until I found an occupation that I actually enjoyed - that being childcare. That said, don't let your job define you, and don't let your not having found the right job for yourself define you either.
This narrative is a reflection on my long-standing view that being part of a machine simply to keep that machine running is unhealthy in itself, especially if that machine doesn't value individuality. I could lead into all sorts of viewpoints from here about the inadequacy of welfare, the hoarding of wealth, a fairer distribution of that wealth AND taxes, but I'm going to simplify it by saying this...
NEVER question your right to be happy. There will always be reasons to be unhappy, but try not to let one of them be the majority of your days - five days a week for eight hours a day - in how you support yourself and support a system that, as things currently stand, doesn't support you the way that it should.
Don't let it suffocate you. If possible, let it inspire you to find something better, something that makes you happy. You deserve that. We all deserve that.