Sticking to goals and forming new habits is not always easy, but there are ways to facilitate commitment. Robert Cialdini outlines six principles of influence in his book “Influence: Science and Practice”. One of those principles is the idea of behavioral consistency, which is the tendency of a person to act in a way that aligns with their past decisions and behaviors. This concept can be integrated in interfaces to increase engagement and loyalty to a company. To learn more about how to use behavioral consistency in your products read this article by Therese Fessenden of Nielsen Norman Group.