In October, they get into a really big fight. It's stupid and pointless and only brought on because Blaine gets buried in work and Quidditch and then gets terrified when he keeps seeing Kurt hanging around with Chase, a sixth year Slytherin. He freaks out, and there's yelling and accusations and they break up. It sucks. Blaine just wants to talk to Kurt about it - both Kurt his best friend, and Kurt his boyfriend, but he can't.
And he has to see him every single day.
Only Kurt barely looks at him and Blaine tries to keep his looks to a minimum.
When he does try to talk to Kurt, Kurt blows him of, running away with some excuse. Blaine has to admit that he doesn't help the situation much, because he keeps ducking into empty classrooms, or starting conversations with people he doesn't know, in order to avoid Kurt.
This goes on for two weeks, before Mike kicks him out of practice one evening.
"You know what?" Mike says, flying over to Blaine after his third failed attempt to properly run a drill. "We're just doing Chaser and Beater drills tonight, you go and find Kurt."
"I can't just leave! I'm Team Captain. How would that look?"
"Blaine," Mikes says, resting a hand on his shoulder. "They'll understand. Besides, the longer this drags on, the more and more useless you're becoming to us."
Blaine sighs, knowing Mike has a point, and calls the team over, putting Mike in charge before he leaves. He is going to find Kurt.
He searches the library, but comes up empty. No one there will admit to having seen Kurt since dinner. Blaine even asks Chase who just shrugs and says he hasn't been in the library much lately.
Blaine assumes this means he's been in his common room. It's the best place to hide from Blaine - it's not as though he's actually allowed in there. So he heads to the Owlery. At the very least, he can write a letter to Kurt and see if he'll meet with him. He has to. Kurt has to know how silly their fight was and how capable they are of getting through it. He just wishes he hadn't given Kurt reason to doubt that by bottling things up and then breaking up with him.
When he makes it up the stairs and through the door, he isn't paying very much attention to his surroundings. He jumps about a foot in the air when he hears a voice.
"Blaine?"
"Kurt?" Blaine says, holding a hand over his heart to steady himself. "What're you-? I'm having massive deja vu right now."
To his delight, a smile twitched at the corner of Kurt's mouth. "I decided to work on my Potions essay up here, and then I stayed to visit Athena some more. What are you doing up here?"
"Oh, I um," Blaine lets out an awkward laugh. "I was looking for you in the library, but you weren't there so I came up here to write you a letter or something so we could talk."
Kurt stiffens, almost imperceptibly. "What did you have to say?"
Blaine debates taking a step closer, but ultimately decides it's probably best not to risk making Kurt leave. "I wanted to apologize about our conversation the other week. None of what I said while we were arguing was true."
Kurt crosses his arms. "So you don't think I'm cheating on you with Chase or otherwise interested in him?"
Blaine's shoulders sag minutely. "I know you're not cheating on my with Chase. You'd never do that to me. ...I do think you're interested in him in someway, but I don't think he's an actual threat to our relationship. I just..." Blaine bites his lip. "I got so busy with Quidditch and homework and then suddenly you were hanging out with this guy I barely know, all the time. And I was feeling replaced and hurt, so instead of talking to you about it, I lashed out."
Kurt sighs, sitting down on a bench and patting the spot next to him in invitation. "You can't do that. If we want this to work we have to be honest with each other. That includes letting each other know if we're doubting something or afraid. We can get through these things together and come out strong for doing so. Unless you..." fear flashes across his face. "You do still want to get back together, right?"
"Yes, yes of course," Blaine rushes to say. "We can pretend we never broke up, because I don't know what I was thinking when I said we were."
A genuine smile crosses Kurt's face, and Blaine grins in return. "Breaking up just isn't for us."
"I can not wait for Christmas break," Kurt groans, flopping down on the bench next to Blaine in the Great Hall two weeks before Christmas. "I swear every professor decided that they should give us a host of surprise assignments due in the next week and a half."
"Arithmancy didn't go well then I take it?" Blaine asks, kissing Kurt's forehead in an attempt to be comforting.
"No it did not." Kurt replies, glaring at the food he's now putting on his plate. "He assigned us a twelve foot essay due next Wednesday. I have two exams next week and three other papers due. Why did you let me take this many classes?"
"I tried to stop you! But, and I quote, 'what if I want to do something else Blaine! I'm dropping History of Magic and Astronomy, but that's it!' and then you glared at me when I tried to get you to drop Muggle Studies."
"How do you do it?" Kurt moans, "You take seven classes and you're doing just fine. And you have Quidditch."
"Ah, but I only have one difficult class outside of the core ones. You have two."
Kurt leans against Blaine, burying his face in the crook of Blaine's neck. "I can't wait until Christmas."
"Yeah," Blaine agrees unenthusiastically. As much as he's looking forward to the temporary reprieve from school work, he's not looking forward to Kurt being away for two weeks while he hangs around the castle.
Kurt lifts his head up, looking at him curiously. "You don't sound all that excited."
Blaine shrugs, "I don't know, you're going home, and so's pretty much everyone else so it's just going to be m-"
"Wait, what? You're not staying here, you coming to my house, aren't you?"
"I- am I?"
"Yeah, I asked you about it weeks ago and you-" a look of mild horror crosses Kurt's face as Blaine shakes his head. "I didn't ask you?"
"Nope," Blaine replies, trying to hold back the grin threatening to spread across his face.
"Okay, well, consider this your formal invitation to casa Hummel. You're not allowed to say no, because my dad already thinks you're coming."
Their last week at Hogwarts is spent relaxing. They've finished their NEWTs and are reveling in the feeling of being done. Finished with school forever.
Of course, this does bring about fears, because all of their worlds are changing. For the most part, they're all going different directions. They're all going to have to face the world without the safety of Hogwarts.
Most of their evenings are spent hanging out in the Room of Requirement with Mercedes, Sam, Brittany, Santana, Finn, Rachel, Puck, and a handful of others. It's always been their place to hangout together without people giving them looks or reporting them for inviting people outside of their house into the common room. Their second to last night at Hogwarts, Blaine pulls Kurt away from their hangout a half hour before curfew, and they climb up the Astronomy tower, lying on the cool stone and staring up at the sky in the warm summer air.
"You excited to move to London?" Blaine asks, as they lie there, a robe folded under Kurt's head as a pillow, Blaine curled up next to him.
"I still can't believe I even got accepted to the Auror training program."
"I'm not surprised," Blaine says, shifting next to him. "I would have been shocked if they hadn't. You passed your OWLs with flying colors, and I'm sure Sylvester gave you a good recommendation. Not to mention, you nailed your NEWTs last week so of course they weren't going to withdraw their offer."
"You're always so nice to me," Kurt smiles, kissing the top of his head. "I can't believe you're going to be playing for the Tornados next season."
"Only as a reserve."
Kurt rolls his eyes, tightening his arms around Blaine. "At first, sure, but once you get to know the team, you are going to be their primary Seeker and you are going to kick ass."
Blaine's quiet for a moment, toying with Kurt's robe absentmindedly before he whispers, "What if we can't do the long distance?"
"I thought I was supposedly the one who was so out of touch with wizarding ways sometimes," Kurt laughs. "We can apparate! And there's floo powder! We can still go on dates and stuff. It'll be like we're living in the same city. It'll be different than seeing each other practically all day here, but I think we'll be okay."
"I totally forgot about that," Blaine says. "Okay. We'll be okay. Yeah. We can do this."