Realizing one 2 tablespoon serving of peanut butter was half a full meal was a wakeup call. It turns out 1/4 or less of a "serving" of most processed things works the same taste-wise and doesn't lead to insatiable hunger later.

If someone is sick, they'll become slow. All they'll want to do is lie down some place quiet.

Watch kids, healthy kids. After a meal, all they want to do is run, talk, jump - move. Sitting still is the last thing they want to do.

My point is perhaps, sedentary behavior is caused by something, a symptom outside the control of those afflicted by it.

Here are some culprits we could explore:

Schooling: Being trained, forced to sit in a spot for hours could train people to be sedentary.

Processed food: Maybe its doing something to the body. Like how zombie ants are controlled by fungi.

Aging process: All animals become less active with age... Even snails.

Environment: Tech makes it harder to be active physically. A tv remote, car, internet for shopping...

Poverty: There's a proven link between experiencing poverty at a young age and inability to control food intake, and spend responsibly.

Genes: People used to bulk up for winter hunger. Now there's food all year round. But the lizard brain is still in control.

There might be more reasons why people binge eat, and remain sedentary such as processed water, poor air quality, domestication (The more Wolf gene a Dog has, the more active it is)...