Food can make people happy for many reasons. The sharing of food with friends or family is usually a happy experience. If there is a gathering it is always made better with food. Eating great food can give you much pleasure. As you can see, I must be quite happy from my size and love of eating. In my life, food often equates happiness and pleasure. It calls up many wonderful past memories. I'm sure some people might argue some of this, but they haven't had my mother's chicken and noodles. They scream love and happiness to anyone who eats them. Only a happy cook can make great food.
PS: Make that chocolate and I'm in heaven!