Writing allows me the time to travel and see the world, which is what I always wanted to do. I'd really like to have been Sir Richard Francis Burton, but it's the wrong century.
Living gives you a better understanding of life. I would hope that my characters have become deeper and more rounded personalities. Wider travels have given me considerably greater insight into how cultural differences affect not only people, but politics and art.
Growing up, I never gave a thought to being a writer. All I ever wanted to be was a traveler and explorer. Science-fiction allowed me to go places that were otherwise inaccessible, which is why I started reading it.
If you're crazy, there's two things you can do to make yourself feel better: One is to get yourself cured. The other is to make everyone you have to deal with crazy.
Besides the mistakes that are pointed out, I love the way readers become involved with the characters. When readers start asking about character motivations instead of concentrating on the special effects, it means you're connecting with them on a personal level.
Advances have fallen, generally, for everything except the biggest potential bestsellers. Given all the changes, both economic and technological, SF hasn't done too badly.
Getting inside the mind of a terrorist wasn't difficult at all. Even as children, human beings fabricate elaborate revenge fantasies. We're not a particular species. Check out popular video games.