I have heard from other yorkie mums whom have lived with both males and females...that males are more protective and are always following (usually the adult female of the house) their mom around the house. Even if you just go tot he bathroom they want to follow you to make sure you are okay. they will always sleep with one eye open (not literally
to make sure they know where you are at all times. Whereas females don't follow when they don't want to. Females are more cuddley but I this what I have heard and soon I will know the differences. Also ever dog has its own personality and their is ALWAYS an exception to the rule.
tina