How do I handle being the one everyone relies on to fix things?

You earned something rare: the touch that comes only from years of paying attention. You know these machines by feel, and now people come to you when things break. That is a real honor. It is also a quiet burden, because being depended on means the problems all flow toward you. Being the one who can fix anything is a gift and a trap. If everything runs through you, you become the bottleneck, and you never get a moment off. The strongest experts are not the ones who hold all the knowledge tightest. They are the ones who pass enough of it on. So teach a little of what you know. Take one person and show them a quirk you usually handle yourself. It does not lessen you; it multiplies you. And it means that being depended on stops feeling like a weight you carry entirely alone.