Chocolates can brighten your mood every time you have them. Dark chocolates are low in calories compared to milk or other chocolates. A small piece of dark chocolate with less than 100 calories can boost up your energy immediately. Carry small portions of these with you to curb your hunger pangs instantly. Remember if you snack on dark chocolate every day without minding your portions, you are bound to put on weight. Consuming once in a while, in moderation, is alright.