She watched her friends interacting, talking and once more she felt out of place just as she does at home with her parents. It had been this way since around their second year. Some people may have thought it to be a jealous thing as everyone obsessed over Harry and his abilities from the first year when it was actually her abilities that helped them survive. Hermione was devastated not to gain the kind of appreciation she deserved and it wasn't as if her friendship with the boys was appreciated by them either.