User blog comment:MayaSerena/Out of Character/@comment-1659929-20110412005902/@comment-3507416-20110412010837

@Nan: I always thought Isabella did have a jealous side she keeps well hidden.

Consider Buford's attempt to say "Whatcha doin?" She elbows him in the ribs, hard. That's not something you expect from Isabella, is it? And that's canon.