But I am a pediatric nurse, and my work has taught me something most people never have to learn: that in the worst moment, the useful thing and the satisfying thing are almost never the same thing, and the difference between them is often a child’s whole future.

I have watched parents lose custody of children they adored because they fell apart in the wrong room at the wrong moment, because they gave a lawyer the gift of a scene.

I knew, standing at that bakery counter with my heart in pieces, that whatever was happening in my marriage was going to end in a courtroom, and that in a courtroom the mother who stays composed beats the mother who was seen screaming in a grocery store, every single time.

So I spent the most important currency I had — my own dignity in that moment, the raw human need to react — and I bought myself something worth far more with it: time, and the element of surprise, and a clean record.