He will,become more assertive in time. He is not the type of guy to get to far ahead of himself , not a risk taker by nature.
As his skills are honed and polished , he'll start to try and make more or of an impact
It took LeBron many years to become the leader , put himself in the drivers seat as the number 1 guy and put the team on his back . Until he won the first ring , I had my doubts about him being THE guy everynight and everything to a team.