Peter mentally weighed the advantages apologising to Topher had versus actually having to apologise again, then... kind of copped to the fact that while yes, salvaging Topher (again) would be useful to him, maybe apologising would just be the right thing to do.

But mostly it was the useful to him part.

He opened up the door after he'd gotten the okay and stepped in. "Hey," he said. "I needed to talk to you."