Some people live and work in virtual "food deserts", areas where healthy food takes real effort to obtain and where what is most readily available and attractive is about as useful to the body as a landscape of sand.
However, it's usually possible to eat well even on a budget with some planning.
One guy I was watching made a list of relatively healthy food staples obtainable in most areas for cheap, a good alternative to the obesity-causing plague that is McDonalds:
The wording seems off, but, if he's trying to refer to something like the following, it might be worth paying some attention to. Note that SOME acidic foods like lemons are thought to be transformative, alkinizing and good for you, as opposed to something like Coca-Cola which is the BAD kind of acidic, health-draining, sugar-laden, and more likely to exacerbate obesity, if not cause it outright:
It's a good idea to try to take a look at these things as objectively as possible.
For instance, you may believe you are fat, but, are you really?
Consider Connor McGregor here, for example, even as you read the commentary on compatible partners. If you're looking at his right side picture and thinking "fat", you REALLY want to get a 2nd opinion from a valid certified health professional before adopting any extreme weight-cutting measures: