Perhaps part of our minds is a &quot;module&quot; or &quot;function&quot; that helps us infer what is in the minds of others based on their behaviors. No doubt this would be helpful in social animals. This &quot;module&quot; infers what is in our mind based on our feelings and behaviors. Then we ascribe agency to that &quot;mind&quot;, give it a name, and call it &quot;I&quot;.