Peter, too heard the door open but he couldn't back away and pretend like he didn't just do what he was doing. Besides, she kissed him back, which meant she still wanted him, which meant that yet again, he was right.
As he flew back he spotted Sylar. "Oh look, the serial killer's home." He said rolling his eyes. "Nice trick Sylar, you forget I have that one too?" He asked struggling to flick his wrist to send the couch hurling at Sylar. He was already going to buy a new couch, so what did it matter at this point?