A/N: Credit where credit is due, I got this idea from the FitzSimmons Incorrect Quote from here: incorrectfitzsimmonsquotes. tumblr post/167277635166/skye-i-could-totally-go-for-a-quickie-right

And just turned it into a short story.

FitzSimmons were in the BUS kitchen making tea when Skye bounced in, looking chipper as always.

She bounded over right in front of where Fitz was standing, but right as he took a sip of his tea and looked up at her to wave hi, Skye looked straight at him and said, "I could totally go for a quickie right now."

"What?!" choked Fitz, spewing his sip of tea across the counter.

"A quickie."

As Fitz stared at her like she was out of her mind, she tried to clarify what she was saying, because that certainly hadn't been the reaction she'd expected him to have to her statement and unasked question. "You know, one of those tart things you make...?"

Fitz facepalmed, finally understanding what the younger girl was trying to say.

"It's pronounced quiche, Skye!" he exclaimed in exasperation, while at exactly the same time Simmons, who was still standing on the other side of the kitchen watching them in amusement, said quietly into her tea, "My bunk's closest."

There was a second of silence as Fitz's brain caught up to what he'd just heard his wife say, before he spun towards her and exclaimed, "What the hell?!"

"I said my bunk's closest," answered Simmons innocently as she lowered her mug to look at the two of them directly. When this didn't seem to clear the air up at all, she added, "If Skye actually wants a quickie, instead of a quiche."

Fitz and Skye were both staring at Simmons in disbelief now, though for different reasons. Fitz, because his wife seemed to be volunteering him to go have sex with Skye — and Skye, because the shorter, cuter Brit was suggesting she go have a quick round of sex with the taller, handsomer Brit in the middle of the afternoon. Simmons, meanwhile, just looked back at them completely unperturbed, like her suggestion was nothing out of the ordinary.

After several seconds of staring, Fitz finally spoke, pointing towards Skye and saying slowly, "Jemma...that's Skye."

"So?" shrugged Simmons. "You've had your eye on her ever since she came on board, and I trust you. Anyway, she is kind of cute."

Fitz just stared at her in disbelief for a while longer, as Skye looked between them mostly in confusion, wondering what the whole trust thing was about, and why exactly they were discussing Fitz's possible sex life together in the first place before he did anything — she knew they were close, but she hadn't expected him to need to get permission from his work partner and best friend before having sex with a girl — until Fitz finally said, "You're seriously—?", waving between himself and Skye.

Deciding she was going to have to do this herself, or they were never going to get anywhere before a mission interrupted anything that might or might not happen, Simmons turned to face Skye directly and asked crisply, "Skye, do you find Fitz attractive, and are you interested in having sex with him? Particularly at this moment, since that's when we're talking about. I know that's not what you meant when you were trying to ask Fitz to make you a quiche, but you seem like you could use some action after the last few missions, and I have no problem letting you borrow my husband for a quick round of sex if you want."

"Husband!?"

"Oh, right, sorry, you wouldn't know. Going all the way back to the Academy, people who know us for very long usually assume we're probably at least sleeping together, so we're just used to everyone already knowing that without having to tell them. But yes, Fitz and I are married, but we've always kept our relationship hushed from SHIELD since they frown upon fraternizing between agents, and then we've never felt the need to tell them since we actually got married. Though I'm pretty sure Coulson knew before he invited us onto the team, even though he's never said anything directly."

"But you two have separate bunks!" exclaimed Skye, having a hard time processing this bombshell her two favorite scientist nerds had just dropped on her. She knew they were close, and called by one name and all, but they were always so proper when they were together, and she'd never seen even the first hint of anything romantic going on between them. Hell, she'd probably flirted more with both of them than she'd seen them flirt with each other since she'd come on board, outside of their weird psychically linked thing that was just them.

"Which we alternate sleeping in after everyone's gone to bed," said Fitz waving her off, before turning to Simmons. "But are you seriously—?"

"Suggesting you go have sex with Skye right now?" finished Simmons for him. "Yes. I trust you'll still love me and we'll still be in the same bed come tonight, and even though we've never discussed this, I don't mind sharing you with someone we're both really close to." Turning slightly to rake her eyes over Skye, she added, "Honestly, I wouldn't mind having you to myself sometime either, if you're up for that kind of thing."

"How did I not know my wife was bi?" exclaimed Fitz, shaking his head.

"I'm not bi," huffed Simmons. "I just happen to be okay with a threesome if it's with the right girl, even if the guy — you — isn't there."

"Pretty sure that counts as bi," interjected Skye with a smirk. "But you're making it sound like this could turn into more than one time thing, and not just the quiche this started as."

"Only if you want it to, but I'm okay with occasionally adding a third to our relationship," shrugged Simmons. "Maybe not permanently — or maybe — neither Fitz nor I have ever done this before — but I'm willing to see where it could go if you're interested. As for Fitz, while he'll never admit it, he's had his eye on you ever since you came on board, and I can't say I blame him. But before we think about getting into any of that, you and Fitz should go have sex now before the next mission comes up, and see if you're interested in possibly being all three of us later on."

Fitz looked over at Skye and shrugged. "It's my wife's idea, and I can't deny I find you attractive. I'm game."

Skye shrugged as well, mostly just completely lost with what was happening. But she'd found Fitz attractive ever since she'd stepped on board, and it'd been way too long since she'd had sex, and Fitz's wife (seriously — wife?!) genuinely seemed to be encouraging it, so who was she to say no. "Yeah, fine with me."

"Then go, before someone comes along with a mission," said Simmons, shoving them out the door and towards her bunk, before calling out towards their disappearing backs, "I'll be down in the lab when you're done!"