Sirius couldn't resist, even if Moony was standing right there. She was just too damn cute, smirking at him like that.
"Darling, you can ride my bike whenever you want," he said, just before he pulled her up out of her chair, bringing her lips to his. Then he pulled back. "Provided I'm on it too. And you couldn't wear my Quidditch jumper even if you wanted to, I can't find it."