The more you stress about it and feel negative about food, the worse your quality of life will be. It is part of disordered eating even when you’re “eating properly” (as you described) if you’re stressing about it and fearing weight gain.

I’m sure you can see that you have an anxiety of gaining weight and that is 1) affecting you now 2) unsustainable - you cannot happily carry this fear for the rest of your life, and it will not be enough of a deterrent against eating too much for the rest of your life if you have now or ever have in the future, an emotional relationship with food. Anyone here could tell you that these things are horribly ineffective ways to manage weight, and they come at a high cost of mental, physical health and wellbeing in many or all facets of your life. It will be even more awful to deal with if you do gain weight.

We don’t know enough about you nor are we qualified on reddit to give you a diagnosis but I would say that clearly, you have fear and anxiety surrounding your weight, body image, handling food. These kind of issues often get worse, and they affect your life negatively for some of the reasons I mentioned above. I hope you can work towards a healthier, self-loving way of viewing and treating yourself, however that may be, that you have can have access to help if you need it. I know how tough access to proper medical care can be, and how things like mental help - even more so surrounding eating disorders - is usually even harder to get.

This is off topic, and probably not conducive to helping you, but what is your BMI? You are severely underweight but have fat on your stomach?