I can wire or diagnose just about anything now, thirty years in my hands. But my knees and my back are sending the bill, and some days I wonder how much longer I've got. And I look around the crew and wonder who I'll ever pass all this to.
More people experience this than they realize.
Your body is wearing out from the trade, and you don't know who will carry it on.
If this sounds familiar, the Library can help you find the bigger picture.