If you think back to the times in your life when you were fooled, if you’re honest, there were likely things you missed or chose to miss. The too-urgent tone. The facts that didn’t quite add up. The hostility or exasperation in the person’s voice when you asked questions. The facial expression that didn’t quite match what the person was saying. The slight discomfort in the pit of your stomach that you couldn’t quite put your finger on.