Itself

Itself is used when the subject and the object of the role are the same. If every subject of a concept acts with a role on itself, then the role is reflexive for the concept.

Examples

Those examples show how to use and how not to use the keyword itself.

Leo likes itself.
Example: The role 'to like' is reflexive for men.
Every man likes itself.
Example: The role of parent is irreflexive.
Nothing is-parent-of itself.