There is a link! -- I have said in the previous post -- and here is how the warm and cold metaphor links with the reality of a real personality trait.
If you want to learn more about the personality and the development of it, you may find these articles interesting and somewhat novel: Robert Kegans Stages of Social Maturity, Cloningers Temperaments and Character.
Or you might enjoy the world's smartest mouse video: http://www.youtube.com/watch?v=txq_BogA1NM
It's the smartest and so it learned all the course without punishment, but here is some data about punishment , cooperation and games .
Of course you realized this post is somehow a spaghetti of '08 cogsci popular articles, so here you'll see Dr John Medina popularizing some interesting stuff that you knew but maybe too often overlooked.
I would complement it with this wonderful collection of reminders from the latest discoveries in the field of mind: http://www.flickr.com/photos/will-lion/sets/72157604445314847/
If I'd swap my body with yours, I'd wish your reality to be as unbiased as possible; don't forget that distortions are usually bad, especially when we perceive them as real: hurtfully bad. :-)
In the end of '08 and at the begining of '09, after seeing this almost incredible experience, I wish you a happy new year and may it be full of kindness.
Synch to you latter!
