
OHH you get me!!! Even in the latest chapters Jun goes " I thought he'd struggle and come right back" . It made me feel bad for Subin because it clearly shows that Jun likely doesn't take his complains seriously, often. Not taking your partners outburst seriously can genuinely deteriorate relationships. I wish people understood the nuances when reading about characters that don't just have one dimensional characteristics.

YESS bc Jun still sees Subin as a kid who hasn't matured or grown up. He sees Subin as someone who can't manage without him instead of as an equal who genuinely loves him and wants to work things out. Subin's ways of working things out often don't work bc he is a bit hot headed and rushes things but they also don't work bc Jun doesn't want to try with him. Jun just wants everything to go smoothly all the time but that can't happen. In a relationship both have to try to solve issues not just one person and the solution has to make both feel better not suffocated
Im reading so many people say that this whole arguement is Subin's fault and the Jun is too good for him. People are trying to see this in black and white so bad. "Subin's wrong, therefore Jun is right" But they both have faults in the relationship.
Subin is immature and hasn't even said he loves Jun. Which cause Jun to feel so insecure He also hid the fact that he met HW for work because of his immaturity. These are vaild reasons to see that Subin is at fault BUT SO IS JUN
Jun gives in too much and feels unhappy because he always lets Subin win, basically treats him like a kid that should always have his way, meanwhile Subin wants Jun to view him as someone reliable that he can communicate with bc by Jun always giving up Subin feels stupid and bad. Jun also is hiding his relationship from his mother and going on blind dates without telling Subin. Also lets bot forget that in the side story interviews Jun admitted that he settled for Subin as he didn't want to try and find love again. Jun also has a difficult time trusting in Subin and his love mostly because of the past when Subin kept him on a rope between him and HW.
This second season was definitely needed to solidify their relationship. This season is showing the readers Subin's personal growth with his feelings towards HW. He made it clear from the beginning that he loves Jun not HW. This season can also help Jun realize that Subin is his equal and he is allowed to voice out his concerns in order to get comfort. And let him realize that he didn't settle for Subin and Subin didn't settle for him.