Editing Defecation (section)

=== Psychology ===
Some aspects of [[psychology]] surround the act of defecation. There is an inherent desire for privacy among humans. [[Sigmund Freud|Freud]] stipulated a second stage of development, the [[Anal stage|Anal Stage]], which centers around the release of waste from the bladder and bowels. He categorized two types: ''[[anal retentive]]'' and [[Anal expulsiveness|''anal expulsive'']].