Contrary to what your parents told you, we all need to get good at interacting with strangers, says author Julie Lythcott-Haims. Here’s why, and how to do it.

Moms and dads often feel like they can’t win. If they pay too much attention to their kids, they’re helicopter parents; too little, and they’re absentee parents. What’s the happy medium that will result in truly happy, self-sufficient kids? Here are five tips.