A crease formed in Lucifer's brow as he listened to Caitlin speak. "Well, I know a bit about wanting to remain myself and not some other, horrific version of me," he replied. "So whatever I can do to help, I will."
Nodding, he offered, "Alright, we'll have to find some solution on our own then." She'd struck a chord with him, and while her particular situation didn't sound like his father, it reminded him of what his father meant for him to be. So he was in, all in, even if they'd just met while stuck on a lift that was clearly going to be delayed more than fifteen minutes.