His teacher gave him a B- because the teacher thought he deserved it. There’s no need to lecture him about “pleading” for a grade. I’m pretty sure the kid already learned his lesson, give him a break. Sure, it can be translated to the flight school or whatever, but it’s not. It was a physics class. Let the kid breathe. Enjoy your breaks and stop trynna make a big deal, whether or not you think he deserved it.