Fear can be a catalyst, an instigator, a motivator. It's all about deciding how to use it. I recently finished Michelle Au's book "This Won't Hurt a Bit" (we all know how I feel about this book) where she briefly touches on the topic of fear. Here's my favorite bit (yes, another quote): "Fear is a stimulus to be better. Fear protects you from hubris. Fear is a guard against complacency..."