An easy way to get an advantage

1.    Show up on time. 
2.    Arrive with a smile on your face.

College interviews, job interviews, meetings with your counselor to discuss your classes for next year, dates, volleyball practice, auditions for the school play—it works everywhere.  It positively influences everything that happens next.  It’s free.  It’s easy.  It’s available to students with any GPA or test score. 

And yet even some of the world’s smartest people just won't do it.