Yggdrasil gives him pause. The world tree was a big part of the parliament of trees. Different realities, apparently they truly were the world tree, keeper of worlds.

"...As long as those you care about survive, no matter how changed or hurt they might be...they can heal." He's speaking to himself, turning over his hand as he stares at the grass, "...I'm sorry. You just sound so assured. It reminded me of something I was struggling with."

He waves a hand, "A good part about this place."