Helen Fisher

Did you know that nearly one in three children live apart from their biological dads? Those kids are two to three times more likely to grow up in poverty, to suffer in school, and to have health and behavioral problems.

Every time you log in to Facebook, every time you click on your News Feed, every time you Like a photo, every time you send anything via Messenger, you add another data point to the galaxy they already have regarding you and your behavior.