Not sure about it being addictive but the fast weight loss is a major motivation to keep going, especially when you feel good. I do know that longer fasts became harder the closer I got to a healthy weight range. When I was obese an 18 day fast was nothing, now at a healthy BMI 10 days is my max without feeling too weak. This is just my experience. If I feel good I keep going. Listen to your body and eat when it signals you…. that’s what I would do.
It doesn’t sound like an eating disorder. It sounds like you’re using the food that you’ve stored. Perhaps you’ll find OMAD is what works for you when you hit your goal, but it doesn’t seem to be an eating disorder.
I would be more concerned about long term impact of nutrient deficiency than some form of learned dependence on fasting. It would be quite natural for people living in earlier natural environments to not eat every single day but once modern people stop eating a third or fourth of the time it’s hard to guess what long term effects would be. It wouldn’t necessarily be worse than living on a McDonald’s food diet, since there must be nutrient imbalance in foods that processed and low in quality, but trying to approach an optimum is something else entirely.
If you experience problems that relate to diet inputs that aren’t positive for you sorting that out might make sense, along with taking the breaks from eating. Personally I don’t think demonizing carbs makes any sense, but then people seem to be able to live and thrive on different kinds of diets, so there’s no need for others to follow what I think or eat. My concern with that is over different relatively extreme diets seeming more optimum at different times. 30 years ago people avoided fats as if those were terrible for you, which was probably a mistake. I think intake of refined sugars really should be limited, but not necessarily carbs.
A balanced diet works, moderation. Trying to “hack” your way to good health seems risky to me, for example avoiding exercise and physical activity because it seems easier to fast instead. It’s not either / or; it can work to support good health in different ways.