Herbert is always so complimentary, over and over again. It's been a year of it, and STILL it makes him blush deep.

"I know that, Engel. I know that." The nuzzle is met with a sweet little kiss. Constant little touches and affirmations. "The feeling is mutual. If - if anyone ever tried to come here to hurt you...I would gladly fight for you."

He's thought about it, before. The Professor knowing where the castle is, that there are vampires in it. Coming back prepared. It worries him, sometimes.