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Each game day, "you do get butterflies as if you're playing the game," said George Smith, head football coach at St. Thomas Aquinas High School in Fort Lauderdale, Fla.
Since Smith has had plenty of on-the-field successes -- he has recorded 361 wins and 66 losses in his 34-year career -- he has faced little pressure to improve his teams' records. But not all coaches are so lucky.
In many towns across the nation, sports are an obsession and the pressure to win is high.
And then there are the pressures off the field. "Our job is to take the young guys and do the best we can to make sure they're responsible for their own future," said Smith.