You are naturally suspicious of everyone and everything. While this trait makes you hard to fool, it makes others slightly less likely to agree with you or find you threatening.
You gain a +1 bonus on Sense Motive checks.
You take a -1 penalty on Diplomacy checks and intimidate checks.
- Roleplaying Ideas
This trait might express itself as comic levels of paranoia, or it might make the character quietly cautious about others.