Thinking past that gives her a stomach ache. As much as she wants to believe they'll just be here for another year of school, part of her just doesn't believe things will stay "normal." Things feel less and less normal all the time. A cloud of foreboding seems to be descending. Ordinarily she'd think that was her over-preparations, her near-paranoia for being ready for whatever comes - but she thinks Harry and Ron feel it too.