If you think I'm going to parachute out of a plane for fun, you must be out of your mind. (*) mad (*) unsure (*) unusual (*) uncertain
This is a companion discussion topic for the original entry at https://english.best/questions/23514,if-you-think-im-going-to-parachute-out-of-a-plane-for-fun-you-must-be-uout-of-your-mindu/