Originally Posted by Skylersmommy
...This is not saying either is shy (far from that) but it seems like dd7 feeds off of being around people even if she isn't the center of what's going on, and the reverse for dd5 she's more fragle and needs rest after being around alot of people.
I was told that extraverts are more prone to being shy than introverts since extraverts are more wrapped up in others and therefore more likely to be aware of how they are appearing in social groups.