I compared it to light refracting to a prism once. I think it still holds, in many ways.

[The gladness of taking after his mother more often is something Alucard doesn't quite believe. The disapproval after everything is not a good way of judging it, of course, but it sticks hardest.

That protective trait, using it to show affection, that's been so very inherited. Having a large wolf at the front door is proof enough.]

...You know he does still pat me on the head if I'm by the door in the mornings.