Title: In My Veins 6/?
Rating: Eventual NC-17
Warnings: AU, stepcest, language
Summary: He’d only introduced Carole to his father so that he could get closer to Sebastian - it was just a simple crush at first. He didn’t expect to become his stepbrother. And he certainly didn’t expect to actually fall in love. Kurt/Sebastian and Kurt/Blaine.
He opens his eyes to beams and a textured ceiling. The lights are off - thank god for that, his skull feels like it’s about to split in half and blinding him would not help - but he still notes the drab mushroom color of the curtain on his right side. Plus, whatever he’s lying on is definitely not his beloved Tempur-Pedic.
How on earth did he get to the school nurse’s office?
“You fainted, so I brought you here.”
Kurt shuts his eyes again and brings his thumb and fore finger up to rub at his frontal sinuses. He tries not to think about the implications of Sebastian carrying him in any way to the nurse. He isn’t sure if he can handle the embarrassment. “Thank you.”
There’s a sound of something crinkling on his left side, so he opens his eyes, and Sebastian’s holding out a granola bar to him. “Eat.”
“I’m not hungry,” he says quietly.
“That’s a load of bull and we both know it. I talked to your friend Mercedes while you were passed out. She said the only thing you had today was Splenda for breakfast. Eat the granola bar.”
“Do you realize how many calories there are in one of those?”
Sebastian rolls his eyes and unwraps the bar, taking care not to touch it with his hands as he waves it under Kurt’s nose. “Maybe 300, tops. That’s nothing. One little piece of food isn’t going to kill you. At least eat it so you can get enough energy to drive yourself home. Otherwise you’ll be hitching a ride with me and you’ll have to leave your poor baby at school overnight.”
He does not want to depend on Sebastian for a ride or anything else, thank you very much. Not right now, anyway. He takes the bar and weakly swats Sebastian’s hand away as he bites down. His stomach practically turns over itself in anticipation.
Sebastian crosses his arms and sits back in his chair. “So, aside from your weird extreme dieting thing, you want to tell me anything else that’s going on?”
It’s all coming back now - the argument before he’d passed out, Sebastian calling him out on his jealousy, him nearly asking about the open house thing. He struggles to sit up, and Sebastian helps, momentarily placing a steadying hand between his shoulder blades. The touch leaves a strange tingling sensation in its wake. Kurt takes another small bite and thinks for a moment. Well, now is as good a time as ever, right?
“I don’t understand you,” he says after a beat. “On the night of open house, you... looked like you wanted to murder me after you found out that I had introduced our parents. Then a month later you texted me like nothing was wrong. And then at the dinner you were suddenly best friends with my dad.”
Sebastian raises an eyebrow. “Yeah, that’s about the gist of things.”
Kurt narrows his eyes. “Why did you react that way, at open house? And why did you change your mind?”
He feels a little sick, asking all of this. He can’t ever remember being so honestly open with anyone other than his dad. And the way Sebastian’s looking at him right now isn’t helping - he looks more like he’s trying to solve a difficult puzzle than trying to communicate with another person, and the longer he continues to make that face, the more Kurt feels like an idiot.
“I’m not blind,” Sebastian says finally. “I know you’ve had a crush on me for a while now.”
A flush of embarrassment creeps up his neck. But he can’t deny the claim - he’s not a good enough liar and Sebastian would see right through it anyway.
“I also don’t need a dad,” Sebastian continues, and he looks at Kurt pointedly. “Mine walked out when I was nine years old. My mom is more than enough for me. You already knew all that. So when you introduced your dad to my mom, it was kind of like you didn’t listen to me.”
If talking things through is supposed to make Kurt feel better, it isn’t working. He actually feels worse.
“And I know you probably just did it so we could get closer, right? Well, after that first night, Burt started coming over a lot. I didn’t like it at first. I felt like... he was already too comfortable with my mom. Like I’d been forced into having this dad figure. I guess he noticed my attitude, and he just told me straight out: ‘I’m not trying to become a second dad to you. But your mom deserves love, and I’m happy to be the person that gives her that as long as she’ll have me.’”
Kurt has to smile at this. That definitely sounds like his dad.
“And I figured - it’s not about me. It’s not about my dad. It’s about my mom, and how Burt was right. I know I can be a jerk sometimes, but my mom’s different - I just want the best for her. And he seems to really care about her, and he makes her happy, so... I guess it’s all right. And then we kinda bonded over sports and... well you know the rest.”
It’s a lot to think about. Kurt lies back down and takes a breath.
“Does that ease your worries?” Sebastian asks.
Kurt flattens out the empty granola bar wrapper and absently winds it around his finger. “It answers my queries, definitely.” At this point he’s not even upset that Sebastian knows of his feelings - the question remains: even if Sebastian claims not to be taking his place as son, what’s to guarantee that he won’t in the future? What’s to say that this distance between him and his father won’t grow?
His gut twists uneasily at the thought.
That can’t happen. He won’t let it.
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