Yes! It is possible to quickly lose weight before Christmas by just making little changes. Do not worry this will require only a little effort from you. The more changes you make, the faster you will lose weight.
The total calories you should take each day would be your target weight multiplied by 10. For example, if your target weight is 140 pounds, then your total day-to-day calorie intake should be 1,400 calories. Very easy to follow, right! A quick tip though, avoid processed foods. Examples are fast food and refined sugars. Also minimize fruit ingestion. Stick to clean proteins and low fat only, for example vegetables and whole grains.
Start Drinking Cold Water:
There are two reasons for drinking cold water. When you are hungry and you drink cold water instead, some times the feeling of hunger will fade. Therefore you avoid eating anything which is always good if you want to lose weight quickly. The second reason is that cold water causes the body to burn up more calories. So if you drink cold water regularly then your body will try to burn more calories more often. If you cool the body down by drinking ice water, you're your calories will be expended in an effort to raise your body back to regular temperature.
Up The Fiber:
Increasing fiber does a couple of important things to your body. First is Fiber makes your body more regular. Second, food with plenty of fiber absorb many times its own weight in water. So it will absorb more water meaning you will not feel any false feeling of hunger.
These are only a few tips. Of course this will only work if you actually apply it. The more change you make in your eating habits the faster you will lose weight.