I really love this drama, EXCEPT that fact that Sung Deok Sun and Choik Taek ended up together. I think the writers…
No no, the writers never intended to make Jung Hwan the husband from the beginning. Hyeri (dukseon) said in an interview that when there was a scene were Duk Seon couldn't sleep, she asked the director why was it. And the director said that its because Taek is the husband
https://youtu.be/DduerLwUhGw
I also uploaded the second video (which in my opinion is better than the first) do check that out ?