Absolutely amazing show, highly recommend! This was such a beautiful show, I have never been more moved or brought to tears by a k drama before. This show helped me learn and truly understand what people go through and how they are effected by such experiences. "It's Okay to Not Be Okay" has taught me so much and broadened my view. The characters personalities along with their actions were so interesting and always made me more curious. This show was very moving, eye-opening, and very beautiful. There is no way I can describe what I felt watching this show. You should definitely watch it.
Some extra info: When I had watched the first few episodes I questioned whether I should continue to watch the show because I thought that it would be a bit dark and sad. When I decided to continue watching the show, it really wasn't that dark and really was just different. The show became inspiring and was full of many twists and turns. There were many sudden changes which made the show intriguing. I don't think that this show was frightening, dark, and psychologically disturbing at all. I just wanted to make that clear for people who maybe thought (Like I did) that this would be too sad and dark for them. (:
Hope this review is helpful and that you enjoy "It's Okay to Not Be Okay" as much as I did!