His mind is still reeling a little at the prospect of walking in on Beelzebub and seeing him in an entirely different body. It's impossible for him to imagine what the angel may have gone through in order to trigger such a change, but Lucifer's words make it obvious that the process is difficult on the body.

"When can I see him-- er... her? I don't want to disturb her while she sleeps, but I would like to see her as soon as I can."