You are in a state of permanent withdrawal right now. You feel like crap, way worse than you're supposed to, and you don't know it. Your body requires exercise and you aren't giving it what it needs.
Yes, if you stop exercising you will return to your current relatively miserable state. Thats the worst that would happen - which is actually pretty bad.
I hope you're using "you" in the general sense, since a) as a rule one shouldn't trust people's medical judgments (especially when they don't know you) unless they're a doctor, and even then, get second opinions etc., and b) you're experimentally wrong.
You are in a state of permanent withdrawal right now. You feel like crap, way worse than you're supposed to, and you don't know it. Your body requires exercise and you aren't giving it what it needs.
Yes, if you stop exercising you will return to your current relatively miserable state. Thats the worst that would happen - which is actually pretty bad.