There's a man came from a mental hospital ...He's father is very happy because he become industrious after he become normal ....he always planting trees and plants..
Father:son,you know im very happy for you ..i know you are not really crazy anymore..besides you are very industrious
Son:thanks,dad!:)
Father:by the way son ..Why you are planting so many plants?
Son: because there's a huge wave of zombies approaching...