[Maybe it's a godly thing, or just a Yato thing, but he's slow to learn sometimes, taking centuries to fully realize the weight of certain lessons. But once he learns them, he tends to take them to heart, deeply. It probably doesn't help that he struggles with being open about his issues, finding it easier to keep them under wraps than reveal too much of his heart to anyone.]

That'd be great. On both accounts. And I'd really appreciate it if you wouldn't mention what you find. I'm... gonna be burning the lot of them as soon as I can. I don't want anyone else getting hurt by them.

[Tearing them up would leave too much evidence of his wrong-doing. The only way to make sure is to obliterate their existence completely. Normally he'd hate to do so since they are his creations, but in this case it's for the best.]