I'm the reason the whole place runs smoothly, the supplies stocked, the systems working, the little fires put out before anyone smells smoke. But when everything's fine, I'm invisible, and the only time anyone says my name is when something finally breaks. It gets to me, being essential and unseen at the same time.
More people experience this than they realize.
You keep everything running but only get noticed when something breaks.
If this sounds familiar, the Library can help you find the bigger picture.