Jim Harbaugh and the San Francisco 49ers parted ways after the regular season ended despite the coach's stunning run of success over the last several years. By all accounts, Harbaugh was happy to leave, and he soon took the head job at his alma mater, the University of Michigan.

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According to CBS Sports, Harbaugh could not be more excited to be back, and he seems to be reinvigorated now that spring practice is getting started. "It's like Thanksgiving. It's like New Year's Day," said Harbaugh. "It's like a family reunion. And having it all rolled into one. Most people think of January 1st as the start of a new year.

"To people who espouse to Catholicism and Christianity, they might correlate that with the birth of Christ. Us in football, the start of spring practice and the first day of summer training camp are what you look at as the New Year with fireworks going off, it's your birthday. It's being born back into football, it's a happening."

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But he was not done with the childbirth correlation just yet. "Yeah, it's like coming out of the mother's womb," Harbaugh continued. "You're in a nice, warm, cozy environment -- safe. And now you are out into the chaos and bright lights. It's a happening. It's all those things rolled into one."

See the video below for some thoughts about Harbaugh's first signing day as Michigan's head coach.