You've seen everything the natural world has to throw at you, whatever experiences you've had to show you this? They're written all over your face now.
You receive a +2 bonus to Mental Defense, reduce all damage to Resolve by half (minimum 0) and reduce damage to Sanity by 2 (min. 0). Against skill checks such as Intimidate, Persuasion, Seduction, and so on you receive an additional +3 to your Mental Defense (for a total bonus of +5 from this trait).