Chocolate symbolizes sweetness, is a gift given to each other by lovers, and is also the most popular gift during Valentine's Day. Therefore, chocolate also represents love in a sense. Generally speaking, on Valentine's Day, girls will receive chocolates from their admirers, while in white day the following month, girls will give chocolates to boys as gifts, so if girls give chocolates to boys, it means they like them. Receiving such a gift is equivalent to the silent confession of girls to boys.