system members, also called alters or headmates, typically have some type of reasoning for being formed and typically have roles. System head-mates aren’t always head-made, sometimes they are fictive (from a fictional source) or fact-ives (from a real source) there isn’t really that much research done on systems, but head-mate are in fact their own people, but if a system does something they shouldn’t just blame it all on one head-mate, they should take accountability. Some larger systems have sub—systems which are inside of other systems