You can't expect people to stay up all night studying.
Fred's son is in college and has been studying hard for the last month for a test which is tomorrow afternoon.
Fred wants his son to be successful in the tests.
Fred suggests his son take it easy tonight and do something fun to be rested before the test.
Fred tells his son he should study all night to be completely ready for the test.
Fred's son has a fun evening, aces his test the next day and feels Fred really cares about his well-being.
Fred's son studies all night and aces his test but feels his father cares more about his school results than his happiness.