An attack of a psychological disorder such as depression or anxiety so severe that it prevents a person from continuing to function normally
will you kindly think up at your earliest convenience some plan for politely ejecting this Mr Chalmers of yours from our humble home?--because if you don't, I'm going to have a nervous breakdown.
Mental breakdown (also known as a nervous breakdown) is a colloquial term for an acute, time-limited psychiatric disorder that manifests primarily as severe stress-induced depression, anxiety or dissociation in a previously functional individual, to the extent that they are no longer able to function on a day-to-day basis until the disorder is resolved
If someone has a nervous breakdown, they become extremely depressed and cannot cope with their normal life. His wife would not be able to cope and might suffer a nervous breakdown. A severe or incapacitating emotional disorder, especially when occurring suddenly and marked by depression. Not in scientific use. a mental illness in which someone becomes extremely anxious and tired and cannot deal with the things they usually do