College football coaches often behave in stoic fashion during the season.
They don’t want players to get too enamored with praise—or rat poison in Nick Saban’s words. They also don’t want their team to get too discouraged by failure. To wit, they are very measured with their words publicly, mindful that the wrong statement could become a distraction to the program.
Things are a bit more relaxed in the offseason, when the focus turns primarily to recruiting.