"Babe..."

She softly whines, playing with her fingers in her lap, looking beautiful as ever as she sits in the passenger seat of your car. But she was so nervous, besides you telling her it'd be fine. She was going to meet your parents for the first time and stay for a few nights, since your relationship was getting really serious. You have already met hers and they love you, and now she has to meet yours. But she has no idea what to expect, as you don't talk about them much in the 3 years of your relationship. Why?