If you liked Happiness. I managed to get a you tube couple to react to the episodes of Happiness. They are very knew to the kdrama world so they might be ignorant on some things so hopefully they learn more and more about the awesomeness of kdramas.
Here is the link to the reaction to episode 1: https://www.youtube.com/watch?v=LU1u2EpnElM&t=1238s&ab_channel=Booth%26Mushi
And here is the link to the reaction to episode 2: https://www.youtube.com/watch?v=6DKLjrzVdEA&t=605s&ab_channel=Booth%26Mushi