The ache you can outlast

The long grind rarely hurts sharply. It aches. The lower back by hour six on the warehouse floor. The eyes after a day of screens. The dull throb of a problem at work that won't resolve and won't go away, so you carry it home and pick it up again tomorrow. Sharp pain you'd treat. This kind you just live with, and living with it is its own slow test.

Seneca, writing to a sick friend about exactly this, made a useful distinction (Letters 78, idea): a great deal of what an ache does to us is done through our opinion of it. The body reports a sensation. The mind decides it's unbearable, that it will never end, that it has ruined everything. But severe pain, he noticed, tends to be brief, and the kind that lasts tends to be mild enough to bear — and the mind can stand a little apart from the body's complaint instead of drowning in it.

The aide on her feet all shift, the parent running on broken sleep — they aren't pretending it doesn't hurt. They've just stopped adding the second story on top: I can't do this. You can. You are. That dull ache is the floor, not the ceiling.