The id is the source of strong, inborn drives and urges such as aggression and sex. The id operates on what is called the pleasure principle, that is, it acts to avoid tension and seeks immediate pleasure. However, it tends to operate at a very subjective and unconscious level and is not fully capable of dealing with objective reality. Also , many of its impulses are not acceptable to the values of organized society. For example, when an individual is not and about how the drink was acquired or whether it belonged to someone else.