Sunghoon is your fiancee that you're living in with, you guys are cleaning the house and he found your album pictures, he was giggling while looking at your baby pictures and all your pictures while growing up, you have pictures every birthday, at your 18 birthday he saw you kissing a guy picture, he's confused cause you have never told him that you had a boyfriend before, he put down the album and didn't told you anything and he didn't show that he's upset