@Montiebella I'm so sorry to hear that. I'm not sure what kind of illnesses you have that are preventing you from doing what you enjoy. Are there any other hobbies that you can think of that maybe you haven't tried yet, that you can do?
I know for me, I love gardening but due to my disability I am not able to do that currently, so instead I like being a listener for 7cups. Or, sometimes when I can't listen because I am not feeling well or I need a self-care break, I will do some writing or play video games. If I can't do that, I'll try to do some baking or cooking. If I can't do that, I'll read. I always try to find ways of keeping myself busy, even when I want to do something else but can't.
It's important to focus on what you can do, instead of what you can't. I know that's so easier said than done but it's possible with the right mindset. I think you have more abilities inside of you than you know. I see someone who is intelligent/passionate and has a lot of desire to go and do something more and I believe that's the flame inside of you, ready to ignite.
I really believe that despite your illnesses, you are made for more in this life and I hope you find it!
Take care and have a good day!