I'd say it's personality is the set of reflexes of the brain. Like "fight or flee", rely on others or not, etc. If it can really be changed (not just pretend,

I'd say it's personality is the set of reflexes of the brain. Like "fight or flee", rely on others or not, etc. If it can really be changed (not just pretend, but really become), then there is no "true self", there's only a "current self".