At the start of this school year, with no Bell to "supervise" her, Hermione took the opportunity to secretly add Hagrid's Care of Magical Creatures class to her Elective Course application.
After years of experience, Hagrid had finally shaken off his old shadows. Or perhaps he had simply had enough of Flobberworms and all manner of bizarre creatures? In any case, Care of Magical Creatures had finally gotten on the right track and become somewhat useful.
Therefore, Bell simply let Hermione have her way when she insisted on taking Care of Magical Creatures. He absolutely would not attend it himself, no matter how eloquently Hermione argued.
Of course, that was not the point. The point was...
"Why are you so practiced at this—no, why do you know so much about it?!"
Harry looked worriedly at his best friend. He was deeply concerned for him now, afraid that when he woke up tomorrow morning, he would have to visit his good brother in Azkaban.
Or perhaps St. Mungo's Hospital for Magical Maladies and Injuries...
"Who's practiced?! I'm not practiced at all, not one bit! I mean, I just happened—yes, happened—to find out that Hermione goes to help Hagrid prepare for the next day's class at this time every week."
Ron frantically denied Harry's "slander."
"Ron, honestly, it's been so many years. It's about time you gave up. As your best brother, even though you might not want to hear this, I still have to tell you that what you're doing is wrong."
Harry earnestly tried to persuade Ron. For the moment, he had even forgotten about finding Hermione and Bell to ask them about Horcruxes.
"...I know all that. B-but I don't know why. I just can't let it go."
To be honest, Ron himself did not know exactly what kind