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¨.
It last for as little as 2-5 minutes
