"Couldn't let you face this alone." He didn't know it'd be exactly this, but it was inevitable that returning home to deal with everything that had happened would be hard. It's why Norton hasn't done it himself yet.

And knowing how very bad Neal is at violence made Norton certain he needed to come along just in case violence was needed to protect Neal. Which, with Keller making an appearance, it seems increasingly likely that they'll reach that point sooner or later.

"You've extended your invitation for Neal to join the Pink Panther club, and he's not interested, so if there's nothing else you can go now. Shoo." He flicks his hand loosely at Keller in dismissal.