Prevent low blood sugar as it stresses you out. Eat regular and small healthy meals and keep fruit and veggies handy. Herbal teas will also soothe your frazzled nerves. Eating unrefined carbohydrates, nuts and bananas boosts the formation of serotonin, another feel-good drug. Small amounts of protein containing the amino acid tryptamine can give you a boost when stress tires you out.