Ah, yes, this gamut of emotions. He's going to give him all the time that he needs, but is keeping a close eye to make sure he doesn't do anything rash or stupid. As much as he trusts him, he also doesn't trust him to not do anything ridiculous in the heat of the moment.

He could comfort him, tell him that there'd be people to keep an eye on the child, but... he's here and he doesn't know if time will continue on without them there or if there's a place to even return to.

"For what it's worth, her will is of iron and I'm sure she'll find a way to make things work." It is Erina after all and he's damn sure that if anyone can pull themselves together, it would be here.

"I would... also promise on keeping on eye on them, but I'm... well, here." And he's not sure how here even works.