I have been anorexic since I was 15 or 16. I'm now 22 and my body is refusing to keep up with my restrictive eating habits. I'm starting to experience scary and frankly very dangerous health issues, but at this point I'm terrified to take even the most basic harm reduction measures.
Your body WILL NOT tolerate your disordered eating forever. You WILL get sicker the longer you suffer from this life-ruining disease. Your honeymoon period WILL end, and you will find yourself caught, miserable, in a loveless marriage to your ED.
A 30-year-old body is not as resilient as a 25-year-old body is not as resilient as a 20-year-old body is not as resilient as a teenage body.