Hair, and sometimes tinted glasses. All psychological barriers, a shield against the outside world.

Also sometimes heavy smokers - addictive personality. Or drinkers or ex-drinkers.

Not everyone with hair is like this, just that for some left-prone people it's how they deal with the world.

Hair, and sometimes tinted glasses. All psychological barriers, a shield against the outside world.

Also sometimes heavy smokers - addictive personality. Or drinkers or ex-drinkers.