Gah, I still can't believe you wrote so many replies in like one day (and i can't believe i'm replying all your replies) And actually, the leaves on top are north american mistletoe, the traditional one only grows in Europe.
And actually, I do think Zelgadiss would be that shy. He most likely would not look that candid (he does look a bit out of character) but he would be that shy. When you watch the episodes, whenever Amelia is too close for confort, there's a lot of blushing going on (a blushing rock?)and I guess you gotta think that the character has been isolated most of his life, avoids people and emotions all together and most likely Amelia is his first love interest.