How to keep your cool.

Before an important meeting a man had a sudden attack of cramp in his lower leg. Fortunately he new a simple remedy by standing and straightening his leg with his foot flat on the ground and pushing his full weight down the cramp disappeared. Latter after a spot of lunch he felt the onset of indigestion and found a quick cure was a glass of water.

As his nerve increased before his speech he found a useful action is to take slow deep breaths through his nose and exhale through his mouth. The tightness in his chest eased and he felt a calm feeling.