Mattheo and Carol were enemies. They were completely opposites. He was cold in some situations, she was intuitive, he didn't believed in people, she thought that everyone deserves a chance or two or even three, he smoked, drinked, and drugged himself, she had a strict diet, he was a great soccer player, Carol was a pilates girl.
Just a chat with the greatest Gryffindors. They all love to spam messages and there's always gossip. Harry tries to discipline his little sister Carol sometimes but she's too stubborn. Carol is always pulling pranks with the twins Fred and George, Hermione disciplines Ronald and Ronald tries a little flirt with her. Ginny and Harry don't bother to hide and flirt all the time.