Some months the work lights me up and I remember why I started. Then, without warning, the meaning drains out and it all feels flat and pointless. I've never worked out what flips the switch either way. Right now I'm deep in one of the empty stretches and I can't tell if it'll pass.
More people experience this than they realize.
Your sense of meaning at work comes and goes and you don't know why.
If this sounds familiar, the Library can help you find the bigger picture.