Freud concedes that as the ego "attempts to mediate between id and reality, it is often obliged to cloak the [unconscious] commands of the id with its own [ preconscious ] rationalizations, to conceal the id's conflicts with reality, to profess ... to be taking notice of reality even when the id has remained rigid and unyielding."[21] The reality principle that operates the ego is a regulating mechanism that enables the individual to delay gratifying immediate needs and function effectively in the real world. An example would be to resist the urge to grab other people's belongings, but instead to purchase those items