Answer:
Experience of getting responsibility, before sufficient maturity.
Step-by-step explanation:
Jimmy Cross's character from 'The things they carried' - displays the immense effect untimely (early) responsibility has on people, when they are immature to manage it.
Example : He takes important responsibilities, like reserve officer training, but is uncertain regarding its many aspects. He feels very guilty when any of his men dies, & is unable to handle the trauma.