Okay, now I'm being snarky. Spoilers for #35.
“…You talk to me,” Spike finished, and then the smile faded from his face. “The hell?”
“Spike?” Buffy whispered, stunned. “Is that really you?”
He moved toward her, rage in his eyes, and she suddenly remembered what she’d just done with Angel.
But I love you! she prepared to say. I didn’t know that you were alive!
He neared. “What happened to ‘no one but you, Spike?’” he demanded. “What happened to our love?”
She opened her mouth to respond-
-And he stormed right past her and socked Angel in the nose.
“How could you do this to us, Angel?”