For a while now I've been pretending I have a debilitating disease because I love the attention, does that make me a bad person?
It's morally wrong to do that, what kind attention where you're looking to get?
People ask me questions about the disease and offer to help me
Lying about your health to gain sympathy from others is manipulative and wrong. You should proud that your health is good and be more inclined to share that fact with others. You could end up with really bad health one day and then you will wish for good health.
You don't understand, I'm feeling good with this situation.
I get you feel good about the attention. You need to understand that lying about something like this is morally wrong and if people find out they will look down upon you.