B. fall apart
Feedback abide by - to follow rules, to respect law.
hang out - to spend time in a particular place or with particular people.
fall apart - 1. to become fragile 2. if something falls apart it is not successful/strong anymore 3. being unable to cope with personal issues.
act out - 1. when someone acts out an event, he or she tries to show how the things were done by pretending to be the one who had seen it or had done it 2. when someone expresses feelings through behavior