I've learned to pay more attention to trust issues in other people. Sometimes it's because they've been wronged enough that they lose faith in others, but many times it's because they can't be trusted.
Feel the desire to physically attack people you disagree with frequently, do you?
Madness string 87583
Our modern virus epidemic is born of a symbiotic relationship between the people smart enough to write a virus and the people dumb enough to spread it.