Michael watched, not saying a word. To say he was confused would have been a gross understatement. He looked like he was alive, he said he was alive. He acted like he was alive, but that negated Dumbledore's rule that no one came back from the dead. The patronus, though, was Thaor's. Definitely.
Robert saw the patronus, and it cause him great concern. No one had that patronus, not quite like that one. What the hell was going on? He apparated at once to Michael's.
Arriving, he saw two things, well--three, that surprised him. Thaor. Obviously solid, not spectral. And, twin babies, eating blueberries. What was Thaor doing here, and who the heck had decided to trust Michael with not just one baby but two? Someone clearly had turned the wizarding world upside down and shaken all the "weird" to the surface.
"Okay,..." he said slowly, frowning, eyes fixed on Thaor. "No one comes back from the dead. No one. Not even you. I know you died, and so do you. That only leaves one possible answer, then. You've altered time to avoid it. What were you thinking?"
The implications of anyone altering the time continuum were immense, and, therefore it was absolutely forbidden. It wasn't something he had thought Thaor would ever have risked for himself. The consequences were far too great for that. So what then was the reason he'd tinker with it?