Those are the thoughts of Golden State Warriors coach Steve Kerr.
The Celtics beat the Brooklyn Nets 109-102 on Tuesday to extend their winning run to 13 games on the bounce.
Irving chipped in with 25 points, while Marcus Morris scored a season-best of 21.
His side take on the reigning NBA champions Golden State Warriors tomorrow, with the latter holding the second-longest winning run at seven games.
The Warriors have won four straight matches at the Celtics, but Kerr admits they are a different proposition these days.
And he thinks that without having to worry about James, Irving has been able to flourish.
“I just think it’s his team,” Kerr said.
“In Cleveland, he was such a dominant force, but it was always going to be LeBron’s team.
“It just looks like Kyrie knows it’s his group and he’s thriving with that group of players around him.
“It just seems like the next stage in his development.
“He knew what he was doing when he decided to leave.
“I admire Kyrie. Obviously, he’s been a thorn in our side for years, and now he just happens to wear green.”