By slipping I'm guessing you mean that they are no longer following a low carb diet right? So how can you say a diet they no longer on is the cause of their problem especially since is it common knowledge that the world is getting fatter due to a high carb diet.
"Slipping" off a "healthy" diet will cause you to revert regardless of the diet.
Also her weight gain is at least in part due to medical problems.
because low carb is a miserable-ass diet and unnecessary?
the world isn't getting fatter because of high carb diets.
get the fukk off those paleo low carb broscience blogs b.
your ancestors ate 80% of their calories from carbs. peep the history.
the world is getting fatter because they eating too much fatty fat foods with taco bell and cheesecakes and ice cream. they look at a banana or potato and think they gonna get fat.
soda consumption is at an all time low yet America still fat -- there goes your high carb = obesity theory.
all those rice eating motherfukkers in rural China would be fat too, no?
Its very rare cases that they do. White women gain 30 pounds and start looking like the short school buses. Wide and stocky Not only that they tend to age badly too 
you gotta enjoy them for a limited time like the McRib
and she got some tig ol bitties
but a good looking girl for her size. 
she only 23
