"It was hard. I was salty, and still am to a degree," Newton said, via the Charlotte Observer. "There's been times when I didn't even come out of the house, didn't want to come out of the house. Didn't want to watch ESPN, didn't focus on the game that they played because it wasn't important to me.
"But having that same taste in my mouth will be the driving force to my preparation in the offseason."
Still, it was a successful season for Carolina, which won the NFC South and advanced to the playoffs for the first time since 2008. Newton and Co. will head into 2014 with something they've never dealt with before -- expectations.