Ferris Bueller:"[after his parents have left, thinking he is ill] They bought it. Incredible! One of the worst performances of my career and they never doubted it for a second. How could I possibly be expected to handle school on a day like this? This is my ninth sick day this semester. It's getting pretty tough coming up with new illnesses. If I go for ten, I'm probably gonna have to barf up a lung, so I'd better make this one count. The key to faking out the parents is the clammy hands. It's a good non-specif"