I've forgotten what I said to spur this, but I'm still laughing about it today.

alucard: What, is that a crack about how I don't have a heart?
integra: You have a heart!
alucard: I've impaled thousands!
integra: You have a heart, you just don't have a whole lot of patience.
alucard: . . .

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Sir Integra Hellsing