The judge has previously been impressed by his progress. He'd been studying for his NCEA and had gained 12 credits, while even giving golf a try.
But this morning, a report from Community Corrections raised "a couple of negative things".
"You have lost a bit of control of your emotions," Judge O'Driscoll said.
"You need to keep that in check because everyone is doing their best to keep you on track and keep you going forward."
There was also an "incident" with his house-mate, which the teen said had been "sorted".
He vowed to return to his studies, after admitting it had tailed off.
"I haven't been feeling the greatest, but I'll get back into it," he said.
When Judge O'Driscoll asked what he planned to do over the Christmas holiday period, defence counsel Anselm Williams relayed the teen's invitation for a BBQ at his supervised accommodation.
The judge said it would depend on the youth's behaviour, about which he'd get updated reports for the next court monitoring session on December 12.
"No one, including the Crown, will want to attend if you have got into further trouble or things aren't going well."