Hate to tell you this, but this idea is rediculous. Most people who would do somthing like this IRL by choice would not suffer any emotional consequences, as making the choice would mean they are stupid or psycotic.
I usualy go by bonowhemm. I am just looking to survive, I am not a bandit and never will be. I will however, defend myself. If you want to be identified as friendly, do not point weapons and announce yourself.