in the interview, he said he is attracted by XXF's gd looking at the beginning rather than her skills..later on he found Xie's character really match him.. haha...such a honest boy!
yes, LD looks depressed, he may be under LYB's pressure becos of his 3 final lost in a row (sin open 2005, mas open 2005 and WC 2005)
Definitely doesn't look like it from the above pictures but maybe it's something else that's on his mind.