I really like the idea that McCoy's ex wife is Vulcan, so their daughter is half Vulcan. It informs so much of McCoy's behaviour to me.
I like to think his ex is not very into Vulcan culture. She's keeps some of it up, but this is a woman who chose to marry a bumpkin doctor and move to small town Earth. She's not big on the Vulcan stuff. Like, her name is T'Mari or something, but she just goes by Mary. They names their daughter Jo'hana so Mary's parents could pronounce it, but they just say Johanna. Or Jo.
So McCoy is already an expert at half Vulcan physiology, he's just learning the adult male stuff for the first time. And any Spock specific quirks. And he knows his ex, Mary, showed more emotion than Spock ever does so all Spock's arguments about being Vulcan are unconvincing. Of course, Mary mainly showed anger at the tail end of things, but hey. And he really knows what Jo's grin looks like so he knows it won't hurt Spock to smile occasionally
Of course, McCoy is fully forgetting that Spock is an adult and likes Vulcan culture in a way Mary never did and it's fucking up to him what he does. But I think this dynamic gives McCoy good cause to think he knows better (even if he's wrong). And it removes the humans as default attitude McCoy sometimes has
I especially like the idea that McCoy never mentions it cos a. Doesn't like to talk about his ex and b. It's weird to describe your daughter's medical shit in conversation. So one day Spock meets them and is just standing there like whaaat the fuuuck. What the fuck. Whatthefuck.
I actually like it better for his wife to be half Vulcan or quarter Vulcan. This makes her blending into a small American town more believable, and it would still be a major shock for the rest of the crew. Imagine if bones has to pick up his daughter from Vulcan immersion camp, because as a less than half a Vulcan she can't survive long-term on the planet without assistance, but she still needs to learn to meditate. We know that Vulcans actually have stronger emotions than humans so that would better explain why she does volatile things, like join a space commune. Then again, Spock's brother is way more like a human than spock, so maybe it's just a matter of culture.
I think Spock is a fairly extreme example of performative Vulcan, cos he had to go so hard to be taken seriously by other Vulcans. Even his dad is more emotionally expressive than him lol. And yeah, I was basing the idea of Bones' Vulcan ex wife a lot on Spock's brother also being anti Surak's teachings
But to your first point, isn't Spock the first half human half Vulcan? I might have made that up but I feel like he's a medical marvel. If anyone is more certain, lmk
I know (spoilers for enterprise) ENT had a half Vulcan, but it was a whole thing that the baby didn't survive. And TOS is still early in human and alien relations, so they didn't show many hybrids cos none had really made it yet
Yeah, I remember that, I just wasn't sure if as a heretical Vulcan, bones' wife would have the technology to make Joanna exist. This is getting my fic brain absolutely burning.














