Selco addresses the psychological damage of surviving a SHTF situation.
Prepare yourself mentally now. Open your eyes to what you will see, now, so you aren't overcome with surprise and shock later.
If you do not plan or prepare your mind for change all those time you spend learning about survival and preparedness might help you survive physically but you will lose yourself mentally.
Go read the rest. Prepare you mind for the inevitable horrors you'll have to deal with if you survive.