To lose one pound, which is equal to 27 alphabet blocks, a 145 pound, 28 year old woman would need to carry a newborn baby for 862 minutes, do power yoga for 618 minutes, or eat 134 fewer chocolate kisses per week. Alternatively, reducing daily calorie intake by 500 calories will result in losing one pound over time by burning an extra 3,500 calories through different exercises with a child or preparing meals differently.