#character a runs hot character b has shit circulation cue character a holding their hand all the time

[kinkymagnus]

Nephilim run hotter than the average person.

Some warlocks may retain an aspect related to their mark.

Magnus' deep seated likeness to cats adores Alec's high body temperature.

Building on that, magical exhaustion/depletion may have the side effect of dropping a warlock's own body heat. (like blood loss in humans does)

So warming up a warlock after a draining spell is actually the best way for them to regain their strength. Which makes cuddling up after ward maintainance in the institute a "medical necessity, so I won't be available for the next hour, until I can be reasonably sure that the high warlock will bear no ill effects from the service rendered. Barring an emergency, Underhill will assume command until then."

Magnus, soon as they are in Alec's office: "You know this was not the least bit draining for my magic, right Darling?"

Alec, smirking: "I know."

god i love the idea of like. alec's kind of a space heater but magnus loves it. and when he's exhausted/hurt/drained just like. collapsing into alec's arms and letting himself be warmed up, be held and cared for... honestly the emotional tlc helps him just as much as the literal heat sharing

(also immediately thinking of this in some ridiculous convoluted angsty way where it's like. idk if this is some sort of friends to lovers situation or just magnus being very much a an idiot with self esteem issues, but like. alec cuddling him after particularly draining stunts with his magic and magnus is just like "ah, yes, he is doing this for medical reasons" meanwhile alec thinks they're fully on the same page of this obviously being a flimsy excuse to cuddle. like magnus is all [sad violins] is it selfish of me to enjoy this?? to take advantage of him?? i'm so clingy and now-- meanwhile hard cut to alec in cheerful music being like ah yes i get to cuddle with the most wonderful man in the world <33)

also please. everyone knows what they're doing bc alec is just like [bland and monotone] well the high warlock has done the ward maintenance. now for medical reasons he needs to come to my office for two hours where we will be completely uninterrupted. but when the head of the institute is like "im going to cuddle the high warlock, professionally, for an hour. as a medical necessity. bc we are professional" you don't argue. however no one agrees if they're actually cuddling and they're just That Cute or if they definitely fuckin. (spoiler alert, though, 99 percent of the time they really are just cuddling. magnus is like "you know this wasn't actually draining for my magic right?" and alec's like "do you WANT to leave my arms?" and magnus is like (slumped against his chest) ".....no")

(please, though, imagine your boss completely blandly being like "im going to go cuddle this independent contractor, professionally, for medical reasons. do not interrupt us for an hour." especially knowing said contractor is his husband. that's so fucking funny. bonus if a) someone actually does have to interrupt for some reason and huh! what do you know! they really were cuddling! why was the head of the institute feeding him grapes though. b) alec's unavailable and like in idris or something and some smartass who knows alec well enough to fuck with him (bonus points if this is somehow simon just bc i feel like it would be funny) is like "oh should i cuddle your husband then? for medical reasons? professionally?" and alec's like do you want to get murdered, son? magnus immediately teases him about this.)