It seems to me that unhealthy anxiety can be completely avoided with the right approach, at least with some people, and I think my son's proof of that; he has no anxiety over discussions of 9/11 at all.
Iucounu, with all due respect, I think maybe you don't know how it is to live inside the body of a really sensitive person. You seem to be a very analytical person who can easily put some intellectual distance between yourself and these events, and perhaps your son is too. I am actually not nearly as sensitive as my daughter; I'm somewhere in the middle, so I have some sense of what it's like on both ends. Anyway, sometimes people who are not sensitive mistake sensitivity for weakness or some sort of personality flaw. I'd remind you to keep in mind that sometimes very sensitive people are incredibly brave and are, in fact, the people who do the most in the world to change things. You haven't met my daughter, but let me assure you that while she cries over a dead dragonfly, she is, at the same time, the kind of person who would stand up to the tanks in Tiananmen square. I am not kidding in the least.
And fwiw, anxiety and sensitivity, while often linked, are not the same thing.
