Author Scott Halford says how you look at something can predict how your body responds to it. If you have a big proposal coming up and “sigh,” that’s an indication you’re telling yourself, “This sucks and I don’t want to do it.” But if you have a “bring it on!” attitude it can be very energizing. You will begin to have a different relationship with the things that stress you out. Your mindset does matter. You’re feeding your brain either with a positive or negative message. Your brain is going to respond to that priming, and you will act accordingly.