Homesickness is a bit like seasickness. You don't know how awful it is unti you get it, and when you do, it hits you right in the top of the stomach and you want to die.
Roald DahlSome people when they have taken too much and have been driven beyond the point of endurance, simply crumble and give up. There are others, though they are not many, who will for some reason always be unconquerable. You meet them in time of war and also in time of peace. They have an indomitable spirit and nothing, neither pain nor torture nor threat of death, will cause them to give up.
Roald DahlYou ignorant little slug!" the Trunchbull bellowed. "You witless weed! You empty-headed hamster! You stupid glob of glue!
Roald Dahl