I agree that if their is no understanding than communication does not work. However don't you first have to do something before you can claim it didn't work? I don't think anyone has an issue with the uke leaving Kangaroo since people can choose who they want to be with. However, being an ass and giving no reason to the break up is a trash way to do it, plus flaunting your new man in front of your ex just makes it worse. Had the uke said I wanna break up for this reason and Kangwoo still didn't understand than that's on Kangwoo and everything afterwards is his fault. Being together for 8 years, I would think that Kangwoo would at least deserve that much.
Couldn’t have said it better ╮(￣▽￣)╭
People will come on here and say things they can't allow in their own personal life. If anyone is dating someone that doesn't tell them "I love you" or isn't proud of your relationship to the extent of introducing you has their partner. Please break up with the person. Communication doesn't fix everything. You will just keep talking everyday about your feelings and to them it will feel like you are complaining and they won't make no changes if they don't see the need to. What is the essence then.