Taylor Swift Weight Loss Likewise, if pain or difficult swallowing contribute to weight loss, it helps to eat foods that are easier to take in. Shakes and soft, moist foods will be easier to swallow. To lose weight, you need to eat less than this number. Calculate the number of calories you should consume each day to keep your weight the same.If you are moderately active, multiply your weight in pounds by 15. Taylor Swift Weight Loss Chia Seeds These diets are most often chosen by obese people who want to lose weight quickly.