Intuitive Conversationalist (Social)
Growing up you always seemed to sense what other people were feeling while speaking with them. This made it easier for you to phrase what you wanted to say in a more palatable way. After taking this trait you use your Wisdom modifier when using the Diplomacy skill to influence someone's attitude. All other uses of Diplomacy still use your Charisma modifier.
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Not sure if this is the best place for ideas for new traits, but it seemed like the most appropriate forum.
Yep! Correct forum.
Trait seems fine. Might want to take a look at the wording on Bruising Intellect for a reference, but otherwise solid.