That's the most incredible kdrama I've ever watched, and I say this with the biggest conviction I have. I cried so much watching, as much I laughed too, it's so soft and warm and make you feel comfortable, but at the same time make you feel so anxious about what would happen. I recommend everyone to watch Crash landing on you! you will not regret I am a 100% sure.
I literally cried every single second of the last episode, I must wake up tomorrow with big eyes, but I can say this worth it my tears and my time. I hope that you can enjoy this as much I did and if you don't, that's okay too! you don't have to like or force yourself to enjoy just because a lot of people did. It's normal have some different opinions, so... Don't worry and move on! go watch another drama and make an incredible review that will convince me to watch.
have a great day, guys