Contract year. In all seriousness though, I'm sure that will factor in. Any slip up could be the difference in a $40 Million dollar long term contact and an "earn it" single year deal.
Most people mature eventually. Some take longer than others. He's 25 going on 26. Not saying that's the issue, but sometimes you have to take a chance. Not every dressing room has to be full of robotic personalities with similar makeup. Show up to work. Work hard. It shouldn't be that difficult. What happens away from the rink is nobody's business. Even Kane must understand this is the time to milk whatever you can. That flow of income isn't going to be there 10-15 years from now. Milk your athletic prime for what it's worth.
Just last season he was whining on Twitter about not fighting Miller.