What's behind your Emergency Glass?

And why the answer is important to your mental health

I see these signs everywhere: “In Emergency, Break Glass”. On buses, trains, in school hallways, and hospital corridors. And while I’ve never had cause to break one, nor have I ever seen one shattered, what message does it send to hide a panic button behind a shatterable pane of glass? I guess the message is:

You better be damn sure that this is an eme…