Massive weight gain please help!

Hi people hoping for some advice - I am female 29 5"10 and did weigh 154lb on Sunday which was my goal weight (lost94lb) I went away for Easter break and relaxed on diet and just got home to find I have gained 14lb?? Is this even possible? I know I ate badly but seriously this seems a extreme amount to gain in 5 days? I am very very upset and been crying most the morning - sounds silly to some but I have worked so hard to shift this weight and seems all my hard work is undone I have been on a 1200 cal diet high protein under 100g carbs a day to lose the weight! Is this actually fat and weight I have gained? Please please help or advice?

if you are emotionally upset or crying, then you need to get a more realistic understanding of how your body works. none of this is worth crying all morning about. your body is a complex "machine" with many different metabolic processes occurring simultaneously or in sequence. you really can't predict when your actual weight losses or gains will show up on the scale.

however, you cannot gain 14lbs of fat in 5 days unless you eat 49,000 EXTRA calories. you did not do that.

relax. calm down. understand that the scale is an imperfect measuring tool. you are giving it credit for more accuracy than it truly has.

you can be retaining a lot of water due to sodium intake or other reasons. you can also have a bit of food still working its way through your intestines. also, 1200 calories is probably too low for you. if you are eating at or below your BMR for a prolonged period of time, your body changes to adapt to what it sees as a stress condition. these changes will affect how easy or difficult it is to burn stored fat in the short term. you need to make sure your BMR and TDEE calculations are correct and your loss rate is not too aggressive. remember in Aesop's fable, the tortoise reached the finish line before the hare!

1 gallon of extra water weighs ~8lbs. some bodybuilders can retain that much or more and will use temporary low carb diets to shed that water just before a competition (from what i've read on the subject).

finally, do not get so emotionally invested in the path your body takes from point A (overweight) to point B (goal weight). it's not going to take the shortest and simplest route. all that matters is getting to point B. how you get there or how long it takes is mostly irrelevant.

For your age, weight and height you are eating far too little on 1200 calories unless you are also eating back exercise calories. Maybe your body is just holding on to some food now it got some. Work out what you really should be eating on here because I'm certain it's wrong. I lost weight on 1650 as a lady three times your age, only walking half hour a day and much shorter.

http://www.myfitnesspal.com/topics/show/937712-in-place-of-a-road-map-ver-3-0

Broken scale. Try replacing the batteries. It is virtually impossible to gain 14 lbs. in 5 days. That would be a calorie surplus of 10,000 kcals a day. Equivalent of 3 chocolate cakes a day. Either that scale is broken, or you really like chocolate cake.

Water weight from glycogen replenishment

http://www.phlaunt.com/lowcarb/19058097.php

http://www.justinowings.com/understanding-bodyweight-and-glycogen-de/

you are probably just bloated. give it sometime

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You did not undo the work you did. Think about how far you've come! You've done well and had great success!!

Like others have said, very likely it's mostly water weight, and perhaps a tiny gain. Drink lots of water to help shed it. It might take a few days....same happened with me after Easter dinner!

I am very petite (short/small) and yet I've fluctuated up to 6 lbs/day when having a bad sodium/calorie day.