Dominique shrugged, uncomfortably. "Probably because you're a Gryffindor and you lot are brave, and I'm a Ravenclaw and can't help but overthink everything."
She grinned widely at him when he said she wouldn't stop making fun of him. It was just too entertaining to be honest. She was having too much fun with it.
Dominique was confused as to his question. "What behaviour?" she asked, noting the worried look on his face. "I don't know what she's talking about, but I can guarantee you, Sirius, that if I'm insecure it's my fault and not yours." She leaned in and pecked a kiss at his nose.