To detect if you have the profile of an anxious person, here are the main signs: psychological, physical, emotional and behavioraltrait of personality.
"Blue-eyed men may have unconsciously learned to value a physical trait that can facilitate recognition of own kin, " the scientists said in the journal Behavioral Ecology and Sociobiology.
Time perspective is an individual's trait of time cognition, time experience and behavior (or behavioral tendency) towards time, and is a relatively stable individual variable.