At what point...
 

do (more distant) cousins become nothing more than “people [you] share blood with?” Would you classify anyone traceably related to you as kin or is there a certain limit?

it goes as far as cousins

beyond that is a facebook "friend"

Blood is blood..

Straight after first.

if you go past first cousin then you literally find people who arm robbed a petrol station and also a porn star who lives in malibu. So it best to keep the family small

AWhat if you are a nephew of someone younger than you..their kids would be 2nd cousins and your same age maybe.. you just gonna no be pals?

if we all lived in the same town then cool, but my family is super international.

Your close family?

Or distant.

I know all my cousins, their kids and some of the grandkids.:shrug:
All cousins in some way.

Depends how much you know them.

Distant cousins I've never met are just strangers.

Little cousins and so forth.

Straight after the first (aka second cousins onwards)

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Great-grandma's sister married great-grandad's brother, so everyone's twice as related as we should be :D well by my generation that's not as applicable, but still.