As an intelligent optimist, you may not be the world’s worst complainer. However, we all complain—it’s natural. But whenever we make negative statements, our brains release stress hormones, harming neural connections in areas used for cognitive functions such as problem-solving. So learn how to turn complaints into solutions. Add a “but,” to make a positive turn. And stop saying “have to” if you can say “get to.” Here’s some guidance for anyone who wants to try to complain less.