We fear nights and death.
"So..." Pétr sat in his place of work with the other librarian a day after the first night of the royal wedding, not one to overindulge in typical Asgardian festivities. He suspected Rhiannon was taking refuge in the great library for slightly different reasons. "I would venture a guess that you are not going to travel to Alfheim today for this leg of the celebration." He'd been tasked by the Allfather to become a sort of representative for the Aesir pantheon (which included Freyr) to Rhia. He knew her fairly well, and he knew the histories and practices of the gods. If he could help her understand or accept things better or sooner, all the better. But he certainly wouldn't push her into something she didn't want. He knew how that felt from his relationship with his own father.