Comedians walk out get a feel for the crowd. If it's not going good we change directions. If we got to drag your momma into this thing we will. Whatever we got to do.
As man sows so shall he reap. In works of fiction such men are sometimes converted. More often in real life they do not change their natures until they are converted into dust.
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Believe it or not lots of people change their majors and abandon their dreams just to avoid a couple of math classes in college.