"It is not my fault that you are a gooey feelings person," Addy asserts. "And we have perfect recall, not context-sensitive guarantees that all relevant information will float to mind at the right moment! Anyway. Those vampires inclined to squishy feelings sometimes fixate them on a single approximately compatible person forever. Conveniently, you never have vampire A pining for vampire B who pines for vampire C, or anything. Congratulations? I think that's the usual response?"