5 months out next week and only lost 1 pound this month :(.

Actually, caloric restriction is known to affect longevity with a positive correlation.  It increases mitochondrial biogenesis (i.e., increases energy metabolism).  An example:  http://www.sciencemag.org/content/310/5746/314.short

In humans, caloric restriction is associated with metabolic decline only in the absence of protein and thyroid hormone (an example: http://jama.jamanetwork.com/article.aspx?articleid=1108368).  Additionally, if you are still overweight and have body fat, you are not anywhere near starvation mode, since you have available fuel.  

Now, if you have low thyroid hormone, or low iodine levels which decreases available thyroid hormone, then a low calorie diet will not provide enough raw materials for the body to run.  Since we are bariatric patients, we are typically on very high protein diets and supplement with high amounts of vitamins so this does not apply to us.  Obesity is a very hormonal disorder, as well, and is not merely a function of calories in and out, though that is the main factor.

Anorexics disprove the starvation mode myth.  I've treated clients who are 5'7" and weigh 80 pounds - and are still losing weight on 500-600 calories a day.  If starvation mode engages and you retain weight when calories are too low, how are they still losing weight?  I mean, many bariatric patients eat under 800 calories a day (we are basically surgically anorexic) and still lose weight, particularly if they are on a low carbohydrate diet which keeps serum insulin low.

I guess, if starvation mode is real, these phenomenon would not function.  If it is real, then what is the causes of these occurrences?

Human beings don't hibernate.

Hibernation mode, Starvation mode, Survival mode are all names for the same thing.  When your body feels its not getting enough nutrients your metabolism will start to slow down.  This contributes to stalls in weight loss.

Bunk and ho ***

On a long term, very low calorie diet, your metabolism will slow down. The studies I have read point to a maximum of a 15% reduction, but that was in individuals with 5% body fat who had already been "starved." For people with lots of excess fat, your body has no need to "hibernate." WLS actually provides a metabolic boost.

Stalls are not about some crap notion of "starvation mode." Fat loss continues as long as you are in a caloric deficit. Fluid retention creates what we think of as stalls. Although most "stalls" are the result of people getting lax in their diet and consuming more calories.

Every single study that places people in an environment where calories are tightly controlled results in consistent weight loss. 

Fine...provide a cite, thats all I'm asking.  I've looked for definitive proof of what your saying and have yet to find the research that backs it up.  In the meantime, thanks for your opinion.

You're the one who made the initial assertion that hibernation mode was a medical fact. I'm still waiting for your scientific evidence.

What is your Goal Weight? You have lost more than 100 pounds since your Highest weight! That is great! Is your Goal Weight realistic? :-)

I stalled month 5-6.  Keep to the plan and you will start to lose again.  Don't lose faith.

Unfortunately (or fortunately) depending on how you look at it..

It is harder to loose weight the lighter you are...

 I and many on here lost most of our weight in the first 6 mts...

depending on your calorie/carb intake you may have to cut a bit...

How tall are you and what is your ideal BMI range?  If you're getting really, really close then it's normal to have a huge slow down.  You may be hitting maintenance mode.