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Don't Start Something You Can't Finish

Summary:

Someone tries to flirt with Buck, but Eddie isn't having it and puts a stop to it.

Buck finds it very hot.

*edited and reposted*

Notes:

Got around to editing and respoting this one too. It was posted in early March of 2025...took me long enough LOL

Hope you like it :)

(See the end of the work for more notes.)

Work Text:

Edmundo Diaz is—to put it simply—fucking pissed.

The 118 is out on a call. It's a two-car crash with no major injuries. Mostly just some head wounds.

Bobby is talking to witnesses to get information with Athena, while Hen and Chim are by the ambulance putting the gear back. Eddie is helping them. And Buck...

Buck is also talking to one of the witnesses to the incident. And the guy talking to him won't keep his hands to himself. He keeps reaching for Buck, touching his biceps, shoulder, and just about any part he can get to without it being even more pervy than it already is.

Eddie is seething.

Eddie has never been a possessive person, okay? Not until he was in a relationship with the love of his life. That's when he got possessive. Because Buck is a fucking catch and is very, very attractive. Eddie has eyes, Jesus. So Eddie fully understands why people flirt with him and try to get into bed with him. Eddie knows. 

Buck is very much taken, thank you very much. 

They are forever. And he wants people to back the fuck off before he goes ballistic.

Eddie only shows his possessive side in the bedroom. Never outside of it. Not until today has he ever wanted to do something outside of it. To mark Buck to show everyone that he is taken.

Eddie hands Hen something, and she tries her best to hide her smile. But she's failing badly.

"What's with the mood, Diaz?" She asks, smiling knowingly.

"I'm not in a mood," He grumbles sourly, giving her the side-eye, easily revealing that he is most definitely in a mood.

Chim comes up behind Eddie and says, "We can see the steam coming out of your ears, Diaz." Which comes out more like "Dee-aaz." 

"Shut up. I'm not in a mood."

Yes. He most definitely is.

"Right," Hen scoffs. "Because there isn't some guy flirting with your boyfriend that's causing you to get all bitchy." 

"I am not bitchy." He says, giving them bitch face. "Look," He puts his hands up to surrender. "I trust Buck, okay? Like completely." 

They both trust each other more than they ever trust anyone else. 

"It's just...I don't like what I'm seeing, okay? I don't like people flirting with my adorable, oblivious, hot boyfriend. He's mine. Mine to me. And I'm his. Completely. He knows that. I know he won't go for anyone else. I just don't like what I see." He glances at Buck and the man for a moment; they're at the back of the firetruck, and the man has gotten closer to Buck than he was a minute ago. This shit stops now. He looks back at Hen and Chim. "Now, if you'll excuse me, I've got some important business to take care of."

Eddie walks away from them and over to his boyfriend.

He ignores Hen and Chim's laughter behind him and continues on his mission.

This is going to be fun. He thinks to himself with a little smirk.

When he gets closer, he turns his walk into a very sexy strut. And it gets the other guy's attention.

Buck's back is facing him, so Buck can't see him. Buck would fold if he saw Eddie in this state. Because he does every time in the bedroom. But it's in public, so it's kinda sexier, Eddie thinks.

The guy returns his attention to Buck as Bobby pulls Eddie aside for a second to tell him to tell Buck to stop chit-chatting so they can get ready to head back to the firehouse, so everyone can go home.

Eddie nods in acknowledgment, then continues to strut over to his boyfriend and the eager fucker. Who still won't keep his hands to himself.

"Yeah, no, this is the last call of the day. When we get back, shifts over." He hears Buck say. "And I can't wait to get home." They both chuckle.

Buck's left hand is on his hip, so Eddie takes that as an invitation to link his arm through it and pull himself right next to Buck.

"I'm not interrupting anything, am I?" Eddie gives the asshole a bratty look and glances at Buck for a moment with the same look. Then back to the asshole.

"Nah, man, you're good." The asshole says, brushing it off like it's nothing.

"Well, alright then," Eddie says with a cocky smile. "Just wanted to make sure you know he's taken." He feels Buck's eyes on him. And the asshole's eyes go wide. Eddie smirks. "Just making sure you're not flirting with my boyfriend. Since it's very serious." The ring that Eddie bought last month would also show how serious they really are/are about to be when Eddie proposes. Which is he will, soon.

He releases Buck's arm and takes a step away. Buck is staring him down. "Anywho," He looks at Buck, grinning. "Bobby wanted me to get you so we can head back to the firehouse." He looks back at the asshole. "But you guys finish whatever you were talking about. I really didn't mean to interrupt."

The guy suddenly realizes his mistake and decides to check out. "Imma head out. Nice to meet you, Buck."

"Smart choice." Eddie snarks, linking his arm with Buck's again, leading his boyfriend around the back of the firetruck so they can get the hell out of here and head home.

Eddie wears a proud grin.

"Uhh, what was that?" Buck asks, brows furrowed.

Eddie shrugs, acting innocent. "I don't know what you're talking about."

Buck pulls his arm back, then slams Eddie against the fire truck.

Buck leans in close; their lips are mere inches apart. "You know exactly what I'm talking about, Eddie. Don't play dumb."

The right side of Eddie's lips rises up into a devilish smirk as he looks at Buck's lips to his eyes and back again.

Buck does the same, then he can't resist anymore. He has to kiss Eddie. 

Buck closes the distance between their lips, throwing his mouth on Eddie's. It quickly becomes wet, passionate, and sloppy, both of them gasping into each other's mouths, not wanting to pull away.

They pull back after about a minute of their mouths and tongues fighting for dominance, and rest their foreheads together, desperate for air. 

Buck chases after Eddie's lips once he feels like he can breathe again, craving for Eddie's mouth on his again.

Eddie places his hands on Buck's pecs to hold him back. "Don't start something you can't finish." Eddie's sass is at its peak today. And they both love it.

"Oh," Buck's voice drops a few octaves, licking his lips seductively. "You know I can. As soon as we get home, baby. It. Is. On."

And with that, Buck has pulled off and walked into the firetruck.

Eddie has no regrets. Seems that Buck found the jealous possessiveness outside of the bedroom attractive, just like he does when they're inside their bedroom.

They both know there is no need to be jealous. They've had that conversation before, multiple times. They want no one else but each other. They both know that. But sometimes they just can't help it.

Especially Eddie. He's a possessive bastard, and he knows it.

Buck's always known it, too. And he's always loved it. Especially this side of it. That's outside the bedroom.

+++

As soon as they walk through the front door to their house, an hour later, Buck shoves Eddie against it, slamming it shut, diving right in for his lips, kissing him as he did earlier against the firetruck, but even more intense this go around, both of them not holding in their moans since they are in the safety of their home now.

Buck holds Eddie's hips like he would die if he didn't. Eddie held onto Buck like he was his lifeline. (Which he kind of is to Eddie right now).

"You were so hot today," Buck rasps in between kisses.

Eddie chuckles. "Is that right?" He wraps his arms around Buck's neck, pulling him closer for the next kiss.

"Mhm." Buck hums into the kiss. "You always are. But you were very, very, very hot today, baby." He dives back in, but Eddie places his hands back on Buck's pecs, holding him back.

"Hotter than the ass who couldn't keep his hands to himself?" Eddie teases.

"No doubt about it." Buck goes back in for a kiss, Eddie letting him this time, his hands slide down from Eddie's hips to the back of Eddie's knees. And Eddie knows what's happening next. His insides surge with excitement.

Buck picks Eddie up, pushing him back against the door again, his hands holding Eddie up by his ass that Buck loves oh so much.

Buck can't resist kissing Eddie anymore, so he closes the gap between them once again.

"I love you, mi amor," Eddie pants, after they pull back to breathe.

Buck chuckles. "I love you too, baby." He pulls Eddie off the door, and Eddie wraps his legs around Buck's waist, smiling widely. "Shall we head to the bedroom?"

Eddie answers that with a kiss. Buck takes it as a yes, spins around, and walks them to the bedroom. Neither can keep their hands or lips to themselves.

It's been like this for four months.

They can't wait for their future, with more of this. The intensity, passion, connection, and love. They're taking it one step at a time.

Eddie's got the next step, hidden in a ring box, in his dresser drawer.

And who is Buck to say no?

Notes:

When these two dummies get together, I KNOW for a fact that the one and only Edmundo Diaz will be one possessive bastard. Because Evan 'Buck' Buckley is rightfully his. He earned him. They earned each other; they are each other's soulmates for crying out loud. So anyway, here's a little fic of Edmundo Diaz being a possessive bastard over his adorable, oblivious, golden retriever boyfriend, Evan 'Buck' Buckley.

Anyways, see you in the next one mwah