I think we're starting to see the effects of kids having grown up in a system that doesn't want to damage their self-esteem and thus give them whatever they want. She was probably never told "no" as a child, or spanked, or anything, pampered and pandered to, and developed this idea that the world is out to serve her. Military members are seen as heroes again, so she wants in on that and joined up, thinkin the Army would not send her to war if she didn't want to go.