He let Wufei pull back, mainly because he needed to catch his own breath which he sucked in shakily. Duo hadn't meant to be so forward but... Wufei was right. They'd done this before and he had reacted on instinct. His desire for the other man taking control.

"Y-yeah... I think we've definitely done that before. A lot," He laughed breathlessly as he closed his eyes and leaned his head forward to press his forehead to Wufei's gently. "So fucking weird... How can a first kiss feel like the millionth? How's that possible? How the hell do we get our memories back, Wu?"