Chocolate is rich in phenylethylamine and magnesium, these two substances play an important role in the regulation of human mood, so in addition to refreshing, hot chocolate can also make people feel euphoric, drive away gray mood, relieve stress. 2. Hot chocolate is also a nutritious drink. It itself contains more beneficial mineral, vitamin B2 and polyphenol kind material to human body health, and the sugar, milk that place adds, also make its quantity of heat, high grade protein and calcium content increase somewhat. If we keep up the amount of exercise and drink a cup of hot chocolate a day, we can enjoy the delicious food without damaging our health.