If Alastor were more transparent, he'd probably wheeze the way Lucifer always does. Instead, he just laughs - that sort of high strung laugh he gives when he's either covering an emotion or watching Niffty put on a roach puppet show.

Seeing Lucifer's arms curl around himself, though, that's...

"Honestly! I may have learned a bit of midwifery in my living years, but this isn't the sort of soothing face a child could find comfort in!"