But it is not bravery at all. It is simply risk-taking behavior without ever having been hurt or suffering any consequences. In the case of your daughter, it sounds as if her contact has been positive. In other words, she may regard these beings as her secret playmates. This situation has occurred for many others.
People have different kinds of contact with aliens.
It seems that most people are traumatized by it, but there is still a sizable group that is deeply intrigued with their life experiences and continuing to learn more about alien contact. You may have noticed the AAER web site takes a very positive view of contact with other beings. We are glad your daughter is not afraid. It is very likely the alien influence is or has been a part of your life from what you have described about your life. You may have reached a point in your life when you are curious enough to start exploring what happened to you when you were younger, and what really happened.