The real effect of the WTC calamity has been depressed spirits, anxiety, and uncertainty among publishers, and of course those emotions are not restricted to publishers. ↗
I had been impressed by the fact that biological systems were based on molecular machines and that we were learning to design and build these sorts of things. ↗
Being a typical Pisces, I might have experienced mood shifts, but I don't remember any depression, or needing to do anything, or to have someone bring me out of being depressed. ↗