“If You Can Manage…” demonstrates how symptoms which occur spontaneously can be eliminated by an attempt to induce them intentionally (symptom prescription).
“If you can manage to hiccup another ten times, you can have an ice cream,” said Nikolas to Vita and started counting, “1 – 2 – 3 – 4 – 5 – 6 – 7 – 8 – 9…” He never reached 10, but she got the ice cream anyway.