I feel that Korean is a good language to learn, though the reason to learn it may not be due to the K-pop and dramas. Korean has other values, and also has many interesting aspects, but some of those extra things may not be the only reason to learn it.
Overall, if you have the time it's a cool language to learn.
Answer:
I sent a letter to my brother living in Kathmandu urging him to come home in Dashain.
Explanation
I have no idea how accurate I am but as what I can remember from speaking this language I think I am pretty close so I hope this helped. :)