The thought stuns him. The mere thought of Sirius turns Remus into highly malleable clay. It was the way he smiled, Remus thought, the way Sirius beamed at Remus with that look that could brighten any measly day. Sirius made Remus absolutely breathless.
Especially when Sirius first kissed Remus.
"Moony," Simply saying his name made Sirius's whole face glow. "just say –hypothetically-"
"What is it?" Remus replied, suddenly very aware of the little space between them both.
"Hypothetically that I loved you. I would be an idiot, wouldn't I?" For once, Sirius actually looked nervous. He felt as if he was begging for his life in the face of a starved lion.
Remus didn't know what to say.
"Please say something Remus. Please."
"We can be idiots together." Remus promised, taking Sirius's hand.
Sirius, just after the thought processed in his mind, dropped Remus's grasp to ascend to his jawline, from where he leaned Remus in for a kiss. Remus, with his heart beating so rapidly he couldn't feel anything else apart from the rising amount of electricity swimming through his veins, returned the gesture with just as great passion.
They were both breathless.
I wrote this for Gamma Orionis's 50 fic OTP challenge, the prompt was 'Breathless'.