Sooo. Uhm. Nothing explicit, right? So piss off, u freakin homophobs!
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FULLVIEW for details, pls.
It crossed my mind that since Vulcans have higher body temperature and are most comfortable in ~+38C, Spock would need a hot-water bottle and a blanket while Jim will be sweating. But it doesn't seem to bother Kirk too much at all

The book is "The Tale of Two Cities" by Charles Dickens. I know it shouldn't be there yet cuz they are too young. Idk, prbbly Spock Prime gave his counterpart advice? ))
HelloKitty hot-water bottle was inspired by wonderful lalazee's AUfic "Keep calm and conseal vulcans"
[link] Go read it, it's brilliant. It's WIP, but updating regularly.
UPD: So, I know it now, okay? According to Memory Alpha Vulcans are actually COOLER than humans (like, 32.78C or 91F).
UPD2: ...Canon or not, I'll stick with hotter Vulcans 'cause it makes more sense.
Anyways. Whatever their body temp. is, Vulcans still enjoy warmer environment, so Spock would need that HelloKitty thingy.
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And yeah, I know the perspective is a complete failure as well as anatomy etc. So don't critisize me, it hurts x)
I can't stop looking at this, though, I love the hot water bottle so much! It is sooo addooorrrableee XD
Very nice work!