According to google radiation negerlein and nutrients
Jack is probably most likely to have Schizoaffective Disorder which is a chronic mental health condition , because the symptoms are depression, which is Jack being depressed and sullen, and mania which explains the tearing down of walls and ¨renovation¨, also being delusional is another symptom as Jake does renovation projects in his house to make his house in a ¨mansion¨.
Unless he wants to go to like community college or something.
D because it helps to get the thing that there choking on out of them