A second degree burn to the face is an extremely serious injury, and Megan is downplaying it here. Bear in mind that this is the future, and medicine has advanced considerably. Megan’s burn is also fairly small, and superficial. This means that she could likely make a full recovery without any long-term damage in a few weeks time. Nevertheless, it would still be extremely painful.
I have a history exam on Wednesday. I don’t feel remotely ready for it. Best get revising, I guess.