Chill out, maybe he just realising that she's really dear to him but as sister, no romantic feelings, just he "love" her as he love Yavonne AS SISTER, SIBLINGS you know he was holding a big distance between them but now he realised he supposed to be a good big brother and care about her AS BROTHER ( I really want to believe it ಥ‿ಥ ... )
Chill out, maybe he just realising that she's really dear to him but as sister, no romantic feelings, just he "love" her as he love Yavonne AS SISTER, SIBLINGS you know he was holding a big distance between them but now he realised he supposed to be a good big brother and care about her AS BROTHER ( I really want to believe it ಥ‿ಥ ... )