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"Billy?" Teddy knocks gently on Billy's door after coming home from a particularly grueling physics study session. "Are you in there?"
"Mmmhm!" comes the muffled reply from within, as Teddy bumps open the door to see Billy covered in a red fabric that is definitely not his cape. For one, it's not 'stylishly tattered,' or whatever clever moniker Billy's using nowadays. Secondly, it looks suspiciously like Spandex. Thirdly--
"Billy? What, exactly, are you doing?" Teddy asks, hovering over his boyfriend and looking absolutely confused.
The other boy just turns around, taking the needle out of his mouth--since when does Billy sew?--and shrugs. "What does it look like I'm doing?"
"It looks like," Teddy replies, pausing to kiss Billy on the cheek before taking a seat on the bed, "you got eaten by a red octopus."
"Red and blue," protests Billy, holding up the other half of his monstrosity.
Teddy just sighs. "Okay. Red and blue octopus. Anyway. I have no idea what you're doing, honestly." He shifts a little on the bed, trying to sit further back, and Billy squeaks before yanking the folds of fabric out from impending doom.
"What I am doing, Theodore," he replies under the guise of infinite patience, "is building a masterpiece."
"A masterpiece," Teddy repeats, doubtfully. "Really?"
"Yes."
"It looks like a--" Teddy stops, seeing the look on Billy's face, halfway between fond annoyance and anger. "Okay, never mind. Look, Bill, I just got back from studying..."
Luckily, it would seem that Billy's in a forgiving mood today. "Alright. Remember those tickets we bought a few weeks ago? For this summer?"
"...maybe?"
Billy sighs dramatically. "ComicCon."
"And..."
"Ted." Billy's tone implies a near-facepalm, and he sets the folds down. "Cosplay?"
"Right, yeah! But..." Suddenly, it clicks into place. "Wait, you're going as Spiderman? Since when?"
"Since... I decided it was a good idea? It's good to stick with what you know!"
Teddy just puts his head in his hand and smiles ruefully. That’s Billy, alright.