It would be stupid to let him come back after this, but, really--he'd let him come back after he'd tossed him around before (though he'd never injured him so badly), and after he'd threatened Molly, after Mohinder had killed him, at least temporarily and had to fear that, and after learning he'd killed Nathan, and everything was a lie.

What was one more fight, if he got out of it alive?

"Yes," he said, though it was soft enough Sylar might have missed it save for his hearing. "I don't want to lose you..." Why else hadn't he called Angela?