The night before my son started Kindergarten, he called me in after lights out. “I’m a little bit excited and a LOT terrified.” 

Kids may perceive these two emotions on the opposite ends of the spectrum. What does fear have to do with excitement?  As it turns out, our bodies experience excitement and anxiety in nearly identical ways: both are states of arousal. Our hearts race and a surge of cortisol gets us ready to act. 

So what’s the difference between these emotions? How we interpret our physiological reactions.

Think about it like this. Two kids are getting ready to go on stage. Both have a fluttering stomach and sweaty palms. The one who had success last time they were on stage — who experienced applause — interprets that feeling as excitement. 

But what about the child who has never stood in front of an audience before? Or the one who froze up the last time they were on stage? They will likely interpret their fluttery stomach as anxiety.  

This matters because our instinctive reaction to anxiety is to flee (or avoid) facing a situation. Excitement, in contrast, pushes us in the other direction — we want to run…