31. Rationalization
Denial is not just a river in Egypt, you know.

Dawn woke up in chains, with Buffy beside her. "Morning, sleepyhead. Willow's working on the improved curse, you'll have your soul back in a jiffy."

"Sure", Dawn sniffed. "Of course. 'Cause being stuck with me would really suck, right?"

"Well... duh, you're evil. Listen, this is important: Spike said he smelled blood on you. Did you kill anyone?"

"Yeah! Riley, and his wife!"

"Oh, Dawn..." Buffy smiled gratefully. Then she spoke slowly, as if to a child. "Riley's... in... South... America. You're so hungry you can't even lie convincingly... so you can't have killed anybody. I'm so proud of you!"