Well wasn't that just the question of all questions?! That was the very thing he had been struggling with for decades, until Clio pulled him out of it. He wasn't sure he was closer to an answer, but the question didn't drive him crazy like it used to.
"All of it?" he said, his hands raised like he wasn't entirely sure. "I have the memories of the real guy. No memories of snakes or fighting druids, but these days I can banish a snake without even trying. It doesn't hurt them, I checked," he added. "So even though I never did that, people believe I did. So now I can. This is not what I used to look like," he pointed a hand at his hair, "but now people associate me with leprechauns and parades and it changed my appearance." He didn't want to talk about how Padraig still looked all suave and dour like he'd used to. Maybe it wasn't time to get into the many Patricks.