In the world at large, these are the people who hate to make a decision unless they know all the facts and ramifications. Guess-work is not fun for them. And should you meet one at a party, you will find that they have listened to all that you have to say, without telling you zip about themselves. Physically there is often a marked tendency to penetrating eye contact with a distrust of shifty-eyed people.
Color preferences are often dark shades of reds, purples, and pinks.