Bro thought that sleeping beside and working for the main source of the problem with a temper was helping Dan get better.
The fact that Jaekyung knows he's the problem and still acts like a problem and is expecting Doc Dan to slowly get better is crazy work. Bro must have thought living at a luxury apartment and getting his old job back were the only things Dan needed to get better.
Bro thought that sleeping beside and working for the main source of the problem with a temper was helping Dan get better.
The fact that Jaekyung knows he's the problem and still acts like a problem and is expecting Doc Dan to slowly get better is crazy work. Bro must have thought living at a luxury apartment and getting his old job back were the only things Dan needed to get better.