eyebrows can really act as diagnostic tools for assessing someone’s personality wouldn’t you want to know more about it.They indicate that she is an equally logically and fair person who is often viewed as being overly responsible by her peers.She has an emotional side but never lets her emotions clouds her judgment.Modern mobile eyebrows inherited their social function from the prominent thick brow ridges that were a key feature of primitive human ancestors, the scientists believe.It seems then that for humans (and dogs), being able to get along with others was key to survival.