"It's Okay to Not Be Okay" is a extremely overrated drama..​For me it's torture.. It started with humour and emotion but later they ruin its all logic, emotions.... I don't know why every character is in so grief,, and when they explain reasons of their grief, they look so childish and illogical ... Everything looks so fake, their love, romance, emotion, anger, resentment....​Also they use concept of books in order to emphasize screenplay but screenplay and stories of books don't match at all even not proper used of that stories.... Its not feel good series, on the contrary it spoiled our mood..
I don't recommend it to anyone.. Try other kdrama...