It's all diet. This girl is eating several thousand calories a day over her break even point.
Apparently, they're trying to blame her weight gain on a few cysts on her twat.
It all reminds of the Howard Stern Show when he was on in the afternoons on regular radio.
He'd occasionally have a fat person on the show and would ask what the fatso had eaten that day.
The answer would invariably be something like, "Well, I had a bit of salad, and....and that's about it."
After awhile, it became a running joke about how fat people never eat.