Higher: Goblin (8.0 compared to my 9.0)
Lower: Go Ho's Starry Night (9.0 compared to my 4.5)
Higher: My Wife’s Having an Affair this Week (10 compared to my 8.0)
Lower: The Moon that Embraces the Sun (6.5 compared to my 10)
Higher: Chicago Typewriter (9.0 compared to my 9.5)
Lower: Another Miss Oh (9.0 compared to my 7.0)
Higher: Kill Me, Heal Me. I gave it a solid 10 compared to your score of 6.5. I loved this show despite its obvious flaws. 
Lower: Jealousy Incarnate. I gave it a 7.5 while you rated it as 8.5. I thought it was a bit too ridiculous at times. 

It was kind of hard to find things that I rated lower than you :D You seem to be a harsher rater than I am. 
Higher: Goblin  (8.5 compared to my 10) - the only drama so far i had given a solid ten but i really loved it very much 
Lower: Moon Lovers: Scarlet Heart Ryeo (10 compared to my 9.0) it began as one of the most beautiful dramas i have ever watched but by the end it it lost me for some reason 
Higher: Kill Me, Heal Me (8 to my 9.5)

Lower: Boys Over Flowers (8 to my 2 and dropped)
Higher: GTO 9 > 7.5
Lower: Nobuta wo produce 7 < 9.5
Higher: Moon Lovers: Scarlet Heart Ryeo (7 compared to my 8)
Lower: Delightful Girl, Choon Hyang (9 compared to my 4)
Higher: Bride of the Century (my rating: 7.5 / your rating: 4.0)
Lower: Chicago Typewriter (my rating: 6.0 / your rating: 9.0) -- I really wanted to love this drama, but I just couldn't get into it. 
Higher: LIFE (7.5 to my 9.5)
Lower: 200 Pounds Beauty (7.5 to my 1)
Higher- A Beautiful Mind (6.0 to my 8.5)
Lower -You who came from the stars (9.5 to my dropped)
Higher: SHopping king louis (dropped to my 9.5)
Lower- None actually....
Higher: Angry Mom (2.0 to my 8.5)
Lower: W (8.5 to my 7.5)
We have very similar ratings...

Higher: You're Beautiful (Mine: 10 / Yours: 6.5)

Lower: N/A
Higher: Boys over flowers - 8 compared to my 9.5 (It's my guilty pleasure :D )
Lower: Playful kiss - 10 compared to my 7.5 (Sorry, I hate the main characters, too abussive and too permissive in my opinion)