Familiar beliefs and behaviors that once produced great results can, if left unchecked, interfere with your own ability to lead. As circumstances change, even highly effective entrepreneurs can undermine themselves and others by blindly sticking with what has worked in the past. To avoid this trap—and stay in step with the present—solicit candid feedback from others and take the time for regular self-reflection. Consider a tough situation and ask yourself: How am I contributing to what’s not working? Avoid complacency and get the results you most want to achieve by making it a regular practice to challenge your own patterns of belief and action.