Sorry for my english: I dont think that Go Siwon is stupid. Seriously, if you see in your dream the person that you ''love'' dye. You will note believe it, because you will be completely scare that it will happen. Yes he know the power of the gem, but his mind is frighten of the true. Is face when he see the poster prove it. And I dont think the ike is stupid, I am sure that if it was you you will react like him. Seriously, if a guy come at you and said that you are a couple and kiss you how will you react if you don't have any memory of him? I think the reaction of Go Siwon is truly well realized. But this is my point of view...
Go Siwon is such a TARD/TURD!!! Even after knowing that little gem has powers, he still thinks it's just a dream and has nothing to do with him?! (︶︿︶)=凸 This uke is about to take the crown in stupidity! Kang Jun doesn't deserve him! From the beginning using derogatory terms to fight the sexual attraction and to hurt Kang Jun, add ignorance and now idiocy to the equation???...I wish he would get stabbed! It was him cock blocking Kang Jun that gets him stabbed in the first place because of your jealousy Go Siwon!!! Asshole!!! I only stick around for Kang Jun anyway. He needs real, supportive, non ignorant, non psychotic love! Get him a new uke please!!! ╥﹏╥