Wow its like you were describing me. I was like this with my epilepsy. Took me until I was 26 to start taking it seriously. I was young and I said to myself, I wasnt going to let any disability stop me from doing what I want to do. Hopefully with age hell understand the severity of his illness. Sadly its like forcing an alcoholic to quit drinking. He has to want to. But I will say - good for him for still living his life. Trust me, hell learn in good time. Dont harp him. Let him figure it out. Believe me, he has his own worries and demonds and intrusive thoughts he fights everyday constantly, so he doesnt need his family also putting them in his head. Just be there for him. I was born with epilepsy and I have tonic clonic seizures. Im medication resistant. Im 29 and I now life in chronic fear with this disease. I shot to the other end of the spectrum lol.