Ugh," he said after a few swallows. "Dead blood." Jace's eyebrows went up. " Isn't all blood dead?" "The longer the animal whose blood I'm drinking has been dead, the worse the blood tastes," Simon explained. "Fresh is better." "But you've never drunk fresh blood. Have you?" Simon raised his own eyebrows in response. "Well, aside from mine, of course," Jace said. "And I'm sure my blood is fan-tastic.