characteristics

When we hear the term "twins," we often think of two things that are alike -- twin beds, twin turbo engines, etc. However, as the father of twins (who happen to turn ten-years-old today), I can attest to the fact that twins are most certainly quite different from one another.
Are you kind? Honest? Brave? They all have health perks.
Talking about being willing to fight and do anything to save your relationship is easier said than done.
Peter Andrews and Fiona Wood, in their recent book "Überpreneurs" have profiled 36 leading candidates for this category, to extract a set of common characteristics.
Sometimes, authors become so focused on the idea of being convincing writing a character of the opposite gender, or a different race, or different cultural background, that they neglect to write a convincing character.
Our attraction to certain personal characteristics is integral to how we evolved as humans. How do we leap from prehistoric clan success to modern day presidential politics?